Properties of the Number -31009

Thirty-One Thousand Nine

Basics

Value: -31010 → -31009 → -31008

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 11 × 2819

Divisors: 1, 11, 2819, 31009

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111100100100001

Octal: -74441

Duodecimal: -15B41

Hexadecimal: -7921

Square: 961558081

Square Root: 176.0937250443638

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

Indices of primes in the 8th-order Fibonacci number sequence, A123526. A254412

Expansion of series related to Liouville's Last Theorem: g.f. ∑_t>0 (-1)^t+1 *x^t*(t+1/2) / ( (1-x^t)⁵ *∏_i=1..t (1-xⁱ) ). A59822

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 105", based on the 5-celled von Neumann neighborhood. A270162

Number of plane 5-regular simple connected graphs with 2n vertices. A301425

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 0, 0), (1, -1, 1), (1, 1, -1), (1, 1, 1)}. A149745