* Vardi's constant: E = 1.264084735305...* Glaisher–Kinkelin constant: A = 1.28242712...* Mills' constant: A = 1.30637788386308069046...* Totient summatory constant: 1.339784...* Ramanujan–Soldner constant: μ = 1.451369234883381050283968485892027449493…* Backhouse's constant: 1.456074948...* Erdős–Borwein constant: E = 1.606695152415291763...* Somos' quadratic recurrence constant: σ = 1.661687949633594121296...* Niven's constant: c = 1.705211...* Brun's constant: B2 = 1.902160583104...* Landau's totient constant: 1.943596...* exp(-W 0(-ln(3⅓))) = 2.47805268028830..., the smaller solution to 3x = x3 and what, when put to the root of itself, is equal to 3 put to the root of itself.
Pozitivna števila skupaj s številom 0 se imenujejo nenegativna števila in za njih velja formula_3.