Properties of the Number 31227

Thirty-One Thousand Two Hundred Twenty-Seven

Basics

Value: 31226 → 31227 → 31228

Parity: odd

Prime: No

Previous Prime: 31223

Next Prime: 31231

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 7 × 1487

Divisors: 1, 3, 7, 21, 1487, 4461, 10409, 31227

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111100111111011

Octal: 74773

Duodecimal: 160A3

Hexadecimal: 79fb

Square: 975125529

Square Root: 176.71162949845717

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 ∏_{r = 1 or not a perfect power} 1/(1 - x^r). A305630

a(n) = ∑_i=0..n digsum₄(i)⁴, where digsum₄(i) = A053737(i). A231667

a(n) is the total number of interior points of over all (>=,>=)-polyominoes of length n. A382990

Expansion of 1/((1-x)(1-2x)(1-6x)(1-10x)). A21202

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 323", based on the 5-celled von Neumann neighborhood. A271255

Numbers n such that (6k-1) for k=n, n+1, n+2, n+3 are all primes with no primes of the form (6k+1) in between. A296011

Poincaré series [or Poincare series] P(C_6,2(0); t). A124639

O.g.f. A(x) satisfies: [xⁿ] exp( n·x*A(x) ) * (n + 1 - A(x)) = 0 for n >= 0. A305110

Continued fraction expansion of a constant r such that the odd-indexed bisection equals the continued fraction of 2·r, with an even-indexed bisection of all 2's. A322728

Number of (n+1)X4 0..2 arrays with the number of clockwise edge increases in every 2X2 subblock equal to one. A206049