Properties of the Number 31256

Thirty-One Thousand Two Hundred Fifty-Six

Basics

Value: 31255 → 31256 → 31257

Parity: even

Prime: No

Previous Prime: 31253

Next Prime: 31259

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ³ × 3907

Divisors: 1, 2, 4, 8, 3907, 7814, 15628, 31256

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111101000011000

Octal: 75030

Duodecimal: 16108

Hexadecimal: 7a18

Square: 976937536

Square Root: 176.79366504487655

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) = floor(M(g(n-1)+1, ..., g(n))), where M = harmonic mean and g(n) = n³. A227012

a(n) = ceiling((n + 1/2)³). A34131

G.f.: ∑_n>=0 xⁿ * (1 + xⁿ)ⁿ / (1 - xⁿ⁺¹)ⁿ⁺¹. A325046

Position of n-th 2 in A031253. A31256