Properties of the Number 51992

Fifty-One Thousand Nine Hundred Ninety-Two

Basics

Value: 51991 → 51992 → 51993

Parity: even

Prime: No

Previous Prime: 51991

Next Prime: 52009

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ³ × 67 × 97

Divisors: 1, 2, 4, 8, 67, 97, 134, 194, 268, 388

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1100101100011000

Octal: 145430

Duodecimal: 26108

Hexadecimal: cb18

Square: 2703168064

Square Root: 228.01754318472953

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

Sum T(n,k) of the k-th entries in all blocks of all set partitions of [n]; triangle T(n,k), n>=1, 1<=k<=n, read by rows. A285595

Number of n-step anisotropic spirals on cubic lattice. A6780

Numbers k such that A181894(k)+1 = A181894(k+1). A333802

Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 57. A31735

Numbers n such that n + sum of prime factors of n = (n+1) + sum of prime factors of (n+1). A75654

Discriminants of real quadratic fields of ERD-type with class groups of exponent 2 and discriminants of the form D = r²*k²+4k, k odd. A51992