Properties of the Number -51998

Fifty-One Thousand Nine Hundred Ninety-Eight

Basics

Value: -51999 → -51998 → -51997

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 2 × 25999

Divisors: 1, 2, 25999, 51998

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -1100101100011110

Octal: -145436

Duodecimal: -26112

Hexadecimal: -cb1e

Square: 2703792004

Square Root: 228.030699687564

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

T(n,k) = Number of n X k nonnegative integer arrays with each row and column an ascent sequence (interior element no greater than one plus up-steps preceding it) and the lower right element equal to min(n,k)-1. A202735

G.f. A(x) satisfies: A( x²*A(x) - A(x)⁴ ) = x³. A292928

Semiprimes (A001358) whose digit reversal is a pentagonal number (A000326). A115708

Row sums of triangle A179901. A179902

Number of n X 3 nonnegative integer arrays each row and column an ascent sequence (interior element no greater than one plus up-steps preceding it) and the lower right element equal to min(n,3)-1. A202730

Number of separable partitions of n in which the number of distinct (repeatable) parts is > 4. A325719