Great Mega

The Great Mega is equal to Circle(4) or ④ or Pentagon(4) in Steinhaus-Moser notation, or M(4,3) using Hyper-Moser notation. The term was coined by Aarex Tiaokhiao.Large Numbers by Aarex Tiaokhiao
In up-arrow notation, Great Mega is between and . It is approximately 10↑↑10↑↑10↑↑101010617 in decimal.
The last 10 digits of the Great Mega are ...8,726,598,656.https://sites.google.com/site/allamsnumbers/home/part-2/steinhaus-moser-notation Retrieved 2024-08-23.
Using the general notation proposed by Susan Stepney, Great Mega can be bounded more precisely in Hyper-E notation:
\[\textrm E19,923,739,028,520,154,087,706,422,945,147,014,652,916,223,529,059,455,829,739,546,236,75\\ 7,445,592,829,019,852,096,549,871,643,037,231,579,555,867,729,029,727,837,739,722,687,243,\\ 833,688,041,650,758,866,703,047,684,995,147,926,044,802,500,789,969,233,229,482,277,620,4\\ 28,871,361,665,114,606,086,501,621,360,310,636,409,247,822,506,979,293,012,834,235,605,89\\ 2,457,887,360,583,787,492,777,424,798,206,285,182,369,042,469,497,447,438,158,240,050,711,\\ 323,245,053,205,431,372,163,355,524,614,258,748,270,064,178,183,600,550,138,767,745,559,3\\ 15,784,832,858,638,844,869,498,054,620,521,042,914,198,455,705,585,134,437,206,064,557,32\\ 3,165,937,735,931,605,786,380,378,378,018,264,857,422,432,758,696,743,477,636,091,751,483,\\ 267,310,595,348,292,927,018,011,128,165,226,311,150,554,708,199,087,683,524,760,666,293,6\\ 93,562,405,279,021,537\#(4[4]_{3}+4[4]_{2}+4[4]_{1}+2)\\ < \text{Great Mega} <\] \[E19,923,739,028,520,154,087,706,422,945,147,014,652,916,223,529,059,455,829,739,546,236,75\\ 7,445,592,829,019,852,096,549,871,643,037,231,579,555,867,729,029,727,837,739,722,687,243,\\ 833,688,041,650,758,866,703,047,684,995,147,926,044,802,500,789,969,233,229,482,277,620,4\\ 28,871,361,665,114,606,086,501,621,360,310,636,409,247,822,506,979,293,012,834,235,605,89\\ 2,457,887,360,583,787,492,777,424,798,206,285,182,369,042,469,497,447,438,158,240,050,711,\\ 323,245,053,205,431,372,163,355,524,614,258,748,270,064,178,183,600,550,138,767,745,559,3\\ 15,784,832,858,638,844,869,498,054,620,521,042,914,198,455,705,585,134,437,206,064,557,32\\ 3,165,937,735,931,605,786,380,378,378,018,264,857,422,432,758,696,743,477,636,091,751,483,\\ 267,310,595,348,292,927,018,011,128,165,226,311,150,554,708,199,087,683,524,760,666,293,6\\ 93,562,405,279,021,538\#(4[4]_{3}+4[4]_{2}+4[4]_{1}+2)\]
where
\[\textrm E19,923,739,028,520,154,087,706,422,945,147,014,652,916,223,529,059,455,829,739,546,236,75\\ 7,445,592,829,019,852,096,549,871,643,037,231,579,555,867,729,029,727,837,739,722,687,243,\\ 833,688,041,650,758,866,703,047,684,995,147,926,044,802,500,789,969,233,229,482,277,620,4\\ 28,871,361,665,114,606,086,501,621,360,310,636,409,247,822,506,979,293,012,834,235,605,89\\ 2,457,887,360,583,787,492,777,424,798,206,285,182,369,042,469,497,447,438,158,240,050,711,\\ 323,245,053,205,431,372,163,355,524,614,258,748,270,064,178,183,600,550,138,767,745,559,3\\ 15,784,832,858,638,844,869,498,054,620,521,042,914,198,455,705,585,134,437,206,064,557,32\\ 3,165,937,735,931,605,786,380,378,378,018,264,857,422,432,758,696,743,477,636,091,751,483,\\ 267,310,595,348,292,927,018,011,128,165,226,311,150,554,708,199,087,683,524,760,666,293,6\\ 93,562,405,279,021,537\#(4[4]_{2}+4[4]_{1}+2)\\ < 4[4]_{3} <\] \[E19,923,739,028,520,154,087,706,422,945,147,014,652,916,223,529,059,455,829,739,546,236,75\\ 7,445,592,829,019,852,096,549,871,643,037,231,579,555,867,729,029,727,837,739,722,687,243,\\ 833,688,041,650,758,866,703,047,684,995,147,926,044,802,500,789,969,233,229,482,277,620,4\\ 28,871,361,665,114,606,086,501,621,360,310,636,409,247,822,506,979,293,012,834,235,605,89\\ 2,457,887,360,583,787,492,777,424,798,206,285,182,369,042,469,497,447,438,158,240,050,711,\\ 323,245,053,205,431,372,163,355,524,614,258,748,270,064,178,183,600,550,138,767,745,559,3\\ 15,784,832,858,638,844,869,498,054,620,521,042,914,198,455,705,585,134,437,206,064,557,32\\ 3,165,937,735,931,605,786,380,378,378,018,264,857,422,432,758,696,743,477,636,091,751,483,\\ 267,310,595,348,292,927,018,011,128,165,226,311,150,554,708,199,087,683,524,760,666,293,6\\ 93,562,405,279,021,538\#(4[4]_{2}+4[4]_{1}+2),\]
\[E19,923,739,028,520,154,087,706,422,945,147,014,652,916,223,529,059,455,829,739,546,236,75\\ 7,445,592,829,019,852,096,549,871,643,037,231,579,555,867,729,029,727,837,739,722,687,243,\\ 833,688,041,650,758,866,703,047,684,995,147,926,044,802,500,789,969,233,229,482,277,620,4\\ 28,871,361,665,114,606,086,501,621,360,310,636,409,247,822,506,979,293,012,834,235,605,89\\ 2,457,887,360,583,787,492,777,424,798,206,285,182,369,042,469,497,447,438,158,240,050,711,\\ 323,245,053,205,431,372,163,355,524,614,258,748,270,064,178,183,600,550,138,767,745,559,3\\ 15,784,832,858,638,844,869,498,054,620,521,042,914,198,455,705,585,134,437,206,064,557,32\\ 3,165,937,735,931,605,786,380,378,378,018,264,857,422,432,758,696,743,477,636,091,751,483,\\ 267,310,595,348,292,927,018,011,128,165,226,311,150,554,708,199,087,683,524,760,666,293,6\\ 93,562,405,279,021,537\#(4[4]_{1}+2)\\ < 4[4]_{2} <\] \[E19,923,739,028,520,154,087,706,422,945,147,014,652,916,223,529,059,455,829,739,546,236,75\\ 7,445,592,829,019,852,096,549,871,643,037,231,579,555,867,729,029,727,837,739,722,687,243,\\ 833,688,041,650,758,866,703,047,684,995,147,926,044,802,500,789,969,233,229,482,277,620,4\\ 28,871,361,665,114,606,086,501,621,360,310,636,409,247,822,506,979,293,012,834,235,605,89\\ 2,457,887,360,583,787,492,777,424,798,206,285,182,369,042,469,497,447,438,158,240,050,711,\\ 323,245,053,205,431,372,163,355,524,614,258,748,270,064,178,183,600,550,138,767,745,559,3\\ 15,784,832,858,638,844,869,498,054,620,521,042,914,198,455,705,585,134,437,206,064,557,32\\ 3,165,937,735,931,605,786,380,378,378,018,264,857,422,432,758,696,743,477,636,091,751,483,\\ 267,310,595,348,292,927,018,011,128,165,226,311,150,554,708,199,087,683,524,760,666,293,6\\ 93,562,405,279,021,538\#(4[4]_{1}+2),\]
\[E19,923,739,028,520,154,087,706,422,945,147,014,652,916,223,529,059,455,829,739,546,236,75\\ 7,445,592,829,019,852,096,549,871,643,037,231,579,555,867,729,029,727,837,739,722,687,243,\\ 833,688,041,650,758,866,703,047,684,995,147,926,044,802,500,789,969,233,229,482,277,620,4\\ 28,871,361,665,114,606,086,501,621,360,310,636,409,247,822,506,979,293,012,834,235,605,89\\ 2,457,887,360,583,787,492,777,424,798,206,285,182,369,042,469,497,447,438,158,240,050,711,\\ 323,245,053,205,431,372,163,355,524,614,258,748,270,064,178,183,600,550,138,767,745,559,3\\ 15,784,832,858,638,844,869,498,054,620,521,042,914,198,455,705,585,134,437,206,064,557,32\\ 3,165,937,735,931,605,786,380,378,378,018,264,857,422,432,758,696,743,477,636,091,751,483,\\ 267,310,595,348,292,927,018,011,128,165,226,311,150,554,708,199,087,683,524,760,666,293,6\\ 93,562,405,279,021,537\#2\\ < 4[4]_{1} <\] \[E19,923,739,028,520,154,087,706,422,945,147,014,652,916,223,529,059,455,829,739,546,236,75\\ 7,445,592,829,019,852,096,549,871,643,037,231,579,555,867,729,029,727,837,739,722,687,243,\\ 833,688,041,650,758,866,703,047,684,995,147,926,044,802,500,789,969,233,229,482,277,620,4\\ 28,871,361,665,114,606,086,501,621,360,310,636,409,247,822,506,979,293,012,834,235,605,89\\ 2,457,887,360,583,787,492,777,424,798,206,285,182,369,042,469,497,447,438,158,240,050,711,\\ 323,245,053,205,431,372,163,355,524,614,258,748,270,064,178,183,600,550,138,767,745,559,3\\ 15,784,832,858,638,844,869,498,054,620,521,042,914,198,455,705,585,134,437,206,064,557,32\\ 3,165,937,735,931,605,786,380,378,378,018,264,857,422,432,758,696,743,477,636,091,751,483,\\ 267,310,595,348,292,927,018,011,128,165,226,311,150,554,708,199,087,683,524,760,666,293,6\\ 93,562,405,279,021,538\#2,\]
\[4[4]_{1} = 4[3]_{4} = 4[3][3][3][3],\]
\[4[4]_{n} = 4[4]_{n-1}[4]_{1} = 4[4]_{n-1}[3]...[3], \text{with \(4[4]_{n-1}\) [3]'s and \(n \geq {2}\)}.\]
== Etymology ==
The name of this number is based on the word "great" and the number "mega".
== Sources ==
== See also ==
Category:Numbers
Category:Numbers by Aarex Tiaokhiao
Category:Up-arrow notation level
Category:Hyper-Moser numbers
Category:Powers of 2