Properties of the Number 81365

Eighty-One Thousand Three Hundred Sixty-Five

Basics

Value: 81364 → 81365 → 81366

Parity: odd

Prime: No

Previous Prime: 81359

Next Prime: 81371

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 5 × 16273

Divisors: 1, 5, 16273, 81365

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011110111010101

Octal: 236725

Duodecimal: 3B105

Hexadecimal: 13dd5

Square: 6620263225

Square Root: 285.24550829066527

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Number of (n+3) X 9 0..1 matrices with each 4 X 4 subblock idempotent. A224566

Numbers whose name in American English is a word-palindrome, reading the same forward and backward. A81365