Properties of the Number 31360

Thirty-One Thousand Three Hundred Sixty

Basics

Value: 31359 → 31360 → 31361

Parity: even

Prime: No

Previous Prime: 31357

Next Prime: 31379

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ⁷ × 5 × 7 ²

Divisors: 1, 2, 4, 5, 7, 8, 10, 14, 16, 20

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111101010000000

Octal: 75200

Duodecimal: 16194

Hexadecimal: 7a80

Square: 983449600

Square Root: 177.08754896942924

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) = 4·a(n-1) + 2·a(n-2) for n>1, a(0)=0, a(1)=1. A90017

Number of benzenoids with 22 hexagons, C_2h symmetry and containing 2n carbon atoms. A123105

Expansion of theta₃ / theta₄. A7096

T(n,k)=Number of nXk 0..2 arrays with every element equal to some element at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) or (1,0) both plus 1 mod 3 and minus 1 mod 3, with new values introduced in order 0..2. A277767

a(n) = ∏_k=0..n (3·k+1)^n-k. A263416

Irregular triangle read by rows of normalized Girard-Waring formula (cf. A210258), for m=8 data values. A288188

Number triangle T(n,k) = binomial(n,k)*binomial(2n,n-k). A110608

Triangle read by rows: T(n,k), 1 <= k <= n, is the number of non-degenerate fanout-free Boolean functions of n variables having AND rank k. A225171

Numbers whose product of exponents is equal to the sum of prime factors. A71175

Coefficients in quasimodular form F₂(q) of level 1 and weight 6. A126858