Properties of the Number 66979

Sixty-Six Thousand Nine Hundred Seventy-Nine

Basics

Value: 66978 → 66979 → 66980

Parity: odd

Prime: No

Previous Prime: 66977

Next Prime: 67003

Digit Sum: 37

Digital Root: 1

Palindrome: No

Factorization: 11 × 6089

Divisors: 1, 11, 6089, 66979

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000010110100011

Octal: 202643

Duodecimal: 32917

Hexadecimal: 105a3

Square: 4486186441

Square Root: 258.8030138928061

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

a(n) = n * (11·n² + 6·n + 1) / 6. A215646

First differences of A293160. A295783

Numbers k with squares that are concatenations k² = x//y such that·is an anagram of y. A162945

Partial sums of walks of length n+1 on a tetrahedron A001998. A178778

a(n) = floor(n!/2ⁿ). A66979