Similar to 巨大過剰数

Almost prime

Palindromic number

Exponential factorial

Kaprekar number

Cullen number

Parasitic number

Pseudoprime

Nonagonal number

Large numbers

Pronic number

Cake number

Lucky number

Pentagonal pyramidal number

Pentagonal number

Fifth power (algebra)

Pentatope number

Tetrahedral number

Triangular number

Triple (mathematics)

Sierpiński number

Square pyramidal number

Self-descriptive number

Self number