Properties of the Number -131685

One Hundred Thirty-One Thousand Six Hundred Eighty-Five

Basics

Value: -131686 → -131685 → -131684

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 × 8779

Divisors: 1, 3, 5, 15, 8779, 26337, 43895, 131685

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100000001001100101

Octal: -401145

Duodecimal: -64259

Hexadecimal: -20265

Square: 17340939225

Square Root: 362.88427907529973

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

a(n) = 2ⁿ + 2·n² + 2·n + 1. A321123

Positive numbers k such that k and 6·k are anagrams in base 9 (written in base 9). A23083

Expansion of 1/((1-2·x)*(1-5·x)*(1-10·x)*(1-12·x)). A26241