Properties of the Number 81977

Eighty-One Thousand Nine Hundred Seventy-Seven

Basics

Value: 81976 → 81977 → 81978

Parity: odd

Prime: No

Previous Prime: 81973

Next Prime: 82003

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 7 ³ × 239

Divisors: 1, 7, 49, 239, 343, 1673, 11711, 81977

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100000000111001

Octal: 240071

Duodecimal: 3B535

Hexadecimal: 14039

Square: 6720228529

Square Root: 286.31625870704585

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

The period after which the powers of n repeat on an 8-digit calculator. A216068

Numbers n such that n | 13ⁿ + 11ⁿ + 9ⁿ + 7ⁿ + 5ⁿ + 3ⁿ +1. A57833

Odd long legs of primitive Pythagorean triangles sorted on semiperimeter. A81977