Properties of the Number -31927

Thirty-One Thousand Nine Hundred Twenty-Seven

Basics

Value: -31928 → -31927 → -31926

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 7 × 4561

Divisors: 1, 7, 4561, 31927

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111110010110111

Octal: -76267

Duodecimal: -16587

Hexadecimal: -7cb7

Square: 1019333329

Square Root: 178.68128049686683

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

Number of rooted twice-partitions of n. A301480

Members of 3-cycles of permutation A111273. A113701

a(n) = T(n, 4) with T(n, k) = ∑_d∣k φ(d)*binomial(n - 1 + k/d, k/d). A327032

Numbers that can be written as a² + 3·b² for some a, b in A155716 and also as c² + 6·d² for some c, d in A092572. A380295