Properties of the Number 64815

Sixty-Four Thousand Eight Hundred Fifteen

Basics

Value: 64814 → 64815 → 64816

Parity: odd

Prime: No

Previous Prime: 64811

Next Prime: 64817

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 × 29 × 149

Divisors: 1, 3, 5, 15, 29, 87, 145, 149, 435, 447

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111110100101111

Octal: 176457

Duodecimal: 31613

Hexadecimal: fd2f

Square: 4200984225

Square Root: 254.5879023048817

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 connected induced (non-null) subgraphs of the n X n queen graph. A285765

a(n) = 6·binomial(n,4) + 6·binomial(n,3) + 4·binomial(n,2) + 2·n + 1. A385689