Properties of the Number 64979

Sixty-Four Thousand Nine Hundred Seventy-Nine

Basics

Value: 64978 → 64979 → 64980

Parity: odd

Prime: No

Previous Prime: 64969

Next Prime: 64997

Digit Sum: 35

Digital Root: 8

Palindrome: No

Factorization: 181 × 359

Divisors: 1, 181, 359, 64979

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111110111010011

Octal: 176723

Duodecimal: 3172B

Hexadecimal: fdd3

Square: 4222270441

Square Root: 254.9097879642914

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

Triangle built from partial sums of Catalan numbers A000108 multiplied by powers. A112705

Partial sum of Catalan numbers A000108 multiplied by powers of 2. A112696

Numbers of the form p·q, p and q prime with q=2p-3. A226755

Numbers k such that A073734(k) is neither squarefree nor a prime power. A365899

n·10⁵-1, n·10⁵-3, n·10⁵-7 and n·10⁵-9 are all prime. A64979