Properties of the Number 30992

Thirty Thousand Nine Hundred Ninety-Two

Basics

Value: 30991 → 30992 → 30993

Parity: even

Prime: No

Previous Prime: 30983

Next Prime: 31013

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ⁴ × 13 × 149

Divisors: 1, 2, 4, 8, 13, 16, 26, 52, 104, 149

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111100100010000

Octal: 74420

Duodecimal: 15B28

Hexadecimal: 7910

Square: 960504064

Square Root: 176.0454486773231

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 g/(2 - g²), where g = 1+x·g² is the g.f. of A000108. A391459

Expansion of (1-x)/(1-2·x-2·x³). A77999

a(2·n) equals coefficient of xⁿ in A(x)ⁿ⁺¹ and a(2·n+1) equals coefficient of xⁿ in A(x)ⁿ⁺², for n>=0. A94557

Expansion of (1 + x)/(1 + 2·x + 2·x³). A110524

Number of (w,x,y,z) with all terms in {0,...,n} and distinct consecutive gap sizes. A212900

Denominators of continued fraction convergents to sqrt(741). A42427

a(n) = 64·n² + 16. A157912

a(n) = 484·n² + 2·n. A158325

a(n) = 256·n² + 16. A158574

a(n) = 121·n² + n. A173267