Properties of the Number -28250

Twenty-Eight Thousand Two Hundred Fifty

Basics

Value: -28251 → -28250 → -28249

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 5 ³ × 113

Divisors: 1, 2, 5, 10, 25, 50, 113, 125, 226, 250

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -110111001011010

Octal: -67132

Duodecimal: -14422

Hexadecimal: -6e5a

Square: 798062500

Square Root: 168.0773631397161

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

Table, read by antidiagonals, in which the n-th row comprises A214206(n) in position 0 followed by a second order recursive series G in which each product G(i)*G(i+1) lies in the same row of A001477 (interpreted as a square array - see below). A182441

a(n) = n*(n+1)*(n² + 21·n + 50)/24. A101854

Expansion of ∏_{k > 0} (1 + f(k)*x^k), where f(n) = A147952(n). A147953

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

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 193", based on the 5-celled von Neumann neighborhood. A270687

Numbers n such that n | 10ⁿ + 9ⁿ + 8ⁿ + 7ⁿ + 6ⁿ. A57252