Properties of the Number -66525

Sixty-Six Thousand Five Hundred Twenty-Five

Basics

Value: -66526 → -66525 → -66524

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 ² × 887

Divisors: 1, 3, 5, 15, 25, 75, 887, 2661, 4435, 13305

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10000001111011101

Octal: -201735

Duodecimal: -325B9

Hexadecimal: -103dd

Square: 4425575625

Square Root: 257.9244075305786

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

Triangle read by rows: T(n,k) is the number of achiral colorings of the facets of a regular n-dimensional orthotope using exactly k colors. Row n has 2n columns. A325011

G.f. A(x) satisfies A(x) = 1 + x + x·A(x)^5/2. A366452

Numbers k such that k and k² use only the digits 2, 4, 5, 6 and 7. A137094

Number of ordered pairs of endofunctions f,g on a set of n elements satisfying f(f(f(x))) = g(g(g(x))). A235326