Properties of the Number -1131

One Hundred Thirty-One

Basics

Value: -1132 → -1131 → -1130

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 6

Digital Root: 6

Palindrome: No

Factorization: 3 × 13 × 29

Divisors: 1, 3, 13, 29, 39, 87, 377, 1131

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10001101011

Octal: -2153

Duodecimal: -7A3

Hexadecimal: -46b

Square: 1279161

Square Root: 33.63034344160047

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

Expansion of (∏_j>=1 (1-(-x)^j) - 1)¹³ in powers of x. A47638

Values of n such that L(11) and N(11) are both prime, where L(k) = (n²+n+1)*2^2·k + (2·n+1)*2^k + 1, N(k) = (n²+n+1)*2^k + n. A227449

Expansion of ∏_k>0 ((1-x^5k-2) * (1-x^5k-3)/((1-x^5k-1) * (1-x^5k-4)))⁴ in powers of x. A285444

Triangle T, read by rows, where all columns of T are different and yet all columns of the matrix square T² (A118407) are equal; also equals the matrix inverse of triangle A118400. A118404

Expansion of ∏_k>=0 1/(1 + x^4·k+3)^4·k+3. A285311

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 451", based on the 5-celled von Neumann neighborhood. A270844

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 307", based on the 5-celled von Neumann neighborhood. A271167

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 435", based on the 5-celled von Neumann neighborhood. A272152

Number of inseparable partitions of n; see Comments. A325535

Numbers that are divisible by the product of their digits. A7602