Properties of the Number 42982

Forty-Two Thousand Nine Hundred Eighty-Two

Basics

Value: 42981 → 42982 → 42983

Parity: even

Prime: No

Previous Prime: 42979

Next Prime: 42989

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 21491

Divisors: 1, 2, 21491, 42982

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1010011111100110

Octal: 123746

Duodecimal: 20A5A

Hexadecimal: a7e6

Square: 1847452324

Square Root: 207.32100713627648

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

a(n) = 168·2ⁿ - 26 (n>=1). A304384

Number of (n+1) X (5+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 4 (constant-stress 1 X 1 tilings). A234561

Number of (n+1) X (n+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 4 (constant-stress 1 X 1 tilings). A234556

T(n,k) is the number of (n+1) X (k+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 4 (constant-stress 1 X 1 tilings). A234564

Number of degree-n irreducible polynomials over GF(2) with trace = 1 and subtrace = 1. A42982