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Properties of the Number 1665

One Thousand Six Hundred Sixty-Five

Basics

Value: 1664 → 1665 → 1666

Parity: odd

Prime: No

Previous Prime: 1663

Next Prime: 1667

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 2 × 5 × 37

Divisors: 1, 3, 5, 9, 15, 37, 45, 111, 185, 333

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No