Properties of the Number 17312

Seventeen Thousand Three Hundred Twelve

Basics

Value: 17311 → 17312 → 17313

Parity: even

Prime: No

Previous Prime: 17299

Next Prime: 17317

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 ⁵ × 541

Divisors: 1, 2, 4, 8, 16, 32, 541, 1082, 2164, 4328

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 100001110100000

Octal: 41640

Duodecimal: A028

Hexadecimal: 43a0

Square: 299705344

Square Root: 131.5750736271882

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 set partitions of {1,2,...,n} with labeled blocks and a (possibly empty) subset of designated elements in each block. A216794

Triangle T(n, k) read by rows. T(n, k) is the number of lists of k unlabeled permutations whose total length is n. A90238

T(n,k) is the number of (n+1) X (k+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 5 (constant-stress 1 X 1 tilings). A234681

The smallest position with nim-value n in subtract-a-square game. A297963

Number of pentagons in the graph formed by drawing the lines connecting any two of the 2*(n+2) perimeter points of a 3 X (n+1) rectangular grid of points (or equally, a 2 X n grid of squares). A332608

Triangle of numbers T(n,k) = T(n-1,k-1) + ((n+k-1)/k)*T(n-1,k), n >= 1, 1 <= k <= n, with T(n,1) = n!, T(n,n) = 1; read from right to left. A59369

Sum of the first n Sophie Germain primes. A66819

Number of cycles for the map LL:x->x²-2 acting on Z/(2ⁿ-1). A128976

a(n) = round(log(Fibonacci(prime(k))/prime(k))), where k = A119984(n). A134792

Number of compositions of n into distinct parts with exactly four descents. A241723