Question: are numbers written the same all over the world?
Answer: No. The digits we use in English (0 1 2 3 4 5 6 7 8 9) are very widely used, but they are not the only digits in use around the world. For example, Arabic uses ٠ ١ ٢ ٣ ٤ ٥ ٦ ٧ ٨ ٩ instead, and Thai uses ๐ ๑ ๒ ๓ ๔ ๕ ๖ ๗ ๘ ๙.