Properties of the Number 64961

Sixty-Four Thousand Nine Hundred Sixty-One

Basics

Value: 64960 → 64961 → 64962

Parity: odd

Prime: No

Previous Prime: 64951

Next Prime: 64969

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 13 × 19 × 263

Divisors: 1, 13, 19, 247, 263, 3419, 4997, 64961

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111110111000001

Octal: 176701

Duodecimal: 31715

Hexadecimal: fdc1

Square: 4219931521

Square Root: 254.87447891069831

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

Relative of Hofstadter Q-sequence: a(n) = max(0, n+32478) for n <= 0; a(n) = a(n-a(n-1)) + a(n-a(n-2)) + a(n-a(n-3)) for n > 0. A274058

Composite-then-prime recurrence; a(2n) = a(2n-1)-th composite and a(2n+1) = a(2n)-th prime and a(1) = 1. A64961