Properties of the Number -21265

Twenty-One Thousand Two Hundred Sixty-Five

Basics

Value: -21266 → -21265 → -21264

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 5 × 4253

Divisors: 1, 5, 4253, 21265

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101001100010001

Octal: -51421

Duodecimal: -10381

Hexadecimal: -5311

Square: 452200225

Square Root: 145.82523787054146

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

Expansion of e.g.f. exp(1 - exp(-x)) * (exp(-x) - 1) * (exp(-x) - 2). A372803

Positions of sevens (ground states) in A084451. A84449