Similar to 完全トーティエント数

Tetrahedral number

Triangular number

Power of three

Triple (mathematics)

Sierpiński number

Square pyramidal number

Self-descriptive number

Self number

Decagonal number

Dodecagonal number

Power of 10

Cyclic number

Strobogrammatic number

Prime power

Refactorable number

Polygonal number

Singly and doubly even

Centered nonagonal number

Centered pentagonal number

Centered triangular number

Centered square number

Centered tetrahedral number

Centered polygonal number

Centered heptagonal number

Centered octagonal number

Centered octahedral number