Properties of the Number -2531

Five Hundred Thirty-One

Basics

Value: -2532 → -2531 → -2530

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2531

Divisors: 1, 2531

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -100111100011

Octal: -4743

Duodecimal: -156B

Hexadecimal: -9e3

Square: 6405961

Square Root: 50.309044912421065

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

Values of n such that L(13) and N(13) 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. A227516

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 225", based on the 5-celled von Neumann neighborhood. A270945

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 289", based on the 5-celled von Neumann neighborhood. A271128

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 379", based on the 5-celled von Neumann neighborhood. A271538

Centered 10-gonal numbers. A62786

Number of partitions of n such that the successive differences of consecutive parts are nondecreasing. A240026

Lower prime of a difference of 8 between consecutive primes. A31926

Concentric pentagonal numbers: floor( 5·n² / 4 ). A32527

Primes p such that x²³ = 2 has no solution mod p. A40984

Primes of the form 5k² + 5k + 1. A90562