Properties of the Number 66495

Sixty-Six Thousand Four Hundred Ninety-Five

Basics

Value: 66494 → 66495 → 66496

Parity: odd

Prime: No

Previous Prime: 66491

Next Prime: 66499

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 × 11 × 13 × 31

Divisors: 1, 3, 5, 11, 13, 15, 31, 33, 39, 55

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000001110111111

Octal: 201677

Duodecimal: 32593

Hexadecimal: 103bf

Square: 4421585025

Square Root: 257.86624439813755

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

Expansion of ψ(x²) / f(-x) in powers of·where ψ(), f() are Ramanujan θ functions. A98613

Number of nonaveraging subsets on {1,2,...,n}. A51013

a(n) is the number in the first column of the Trithoff (tribonacci) array that starts off the row containing the tail of n times the tribonacci sequence. A351689

Numerator of n*(n-2)*(2·n-1)/(2*(n-1)). A22997

Numbers k that divide the k-th little Schroeder number. A372903

a(n) = (2ⁿ⁺⁴-1)*(2ⁿ+1). A165133

Odd sides belonging to multiple primitive Euler bricks. A211133

Numbers k such that f(k) = f(k-1) + f(k-2) where f denotes the prime gaps function given by f(m) = prime(m+1) - prime(m). A66495