Properties of the Number -31832

Thirty-One Thousand Eight Hundred Thirty-Two

Basics

Value: -31833 → -31832 → -31831

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ³ × 23 × 173

Divisors: 1, 2, 4, 8, 23, 46, 92, 173, 184, 346

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -111110001011000

Octal: -76130

Duodecimal: -16508

Hexadecimal: -7c58

Square: 1013276224

Square Root: 178.4152459853137

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

Numbers k such that sopfr(k + sopfr(k)) = sopfr(k) + sopfr(sopfr(k)), where sopfr = A001414. A376851

T(n,k)=Number of nXk arrays of occupancy after each element stays put or moves to some horizontal, vertical or antidiagonal neighbor, without consecutive moves in the same direction. A221886

Number of 2-dimensional directed compact animals of size n. A6801

Indices of primes in sequence defined by A(0) = 87, A(n) = 10·A(n-1) - 23 for n > 0. A101068

Number of nondecreasing arrangements of n+2 numbers in 0..8 with the last equal to 8 and each after the second equal to the sum of one or two of the preceding four. A189325

Number of (n+1) X 7 0..1 arrays with the number of rightwards and downwards edge increases in each 2 X 2 subblock equal to the number in all its horizontal and vertical neighbors. A206265

Number of n X 2 arrays of occupancy after each element stays put or moves to some horizontal, vertical or antidiagonal neighbor, without consecutive moves in the same direction. A221883

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 595", based on the 5-celled von Neumann neighborhood. A273142

Length of period of continued fraction expansion of sqrt(3·2ⁿ). A294226

Numbers m such that ψ(x) = φ(m) has a solution while σ(y) = φ(m) has none. A291524