Properties of the Number -31707

Thirty-One Thousand Seven Hundred Seven

Basics

Value: -31708 → -31707 → -31706

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 13 × 271

Divisors: 1, 3, 9, 13, 39, 117, 271, 813, 2439, 3523

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111101111011011

Octal: -75733

Duodecimal: -16423

Hexadecimal: -7bdb

Square: 1005333849

Square Root: 178.06459502102038

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

T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with no 2X2 subblock having x11-x00 less than x10-x01. A251268

T(n,k)=Number of (n+1)X(k+1) binary arrays with no 2X2 subblock containing fewer than two 1s. A184207

Expansion of (1-2·x)/(1 - 3·x - x² + 2·x³). A52550

T(n,k)=Unmatched value maps: number of nXk binary arrays indicating the locations of corresponding elements not equal to any king-move neighbor in a random 0..2 nXk array. A218823

a(n) = periodic part of decimal expansion of n/n-th prime (leading 0's moved to end). A60251

Number of (n+1)X9 binary arrays with no 2X2 subblock containing fewer than two 1s. A184206

a(n) = ∑_k=0..2n-1 T(n,k)*T(n,k+1), T given by A027926. A27995

Ulam numbers k such that k/3 is also an Ulam number. A287212