Properties of the Number 28750

Twenty-Eight Thousand Seven Hundred Fifty

Basics

Value: 28749 → 28750 → 28751

Parity: even

Prime: No

Previous Prime: 28729

Next Prime: 28751

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 5 ⁴ × 23

Divisors: 1, 2, 5, 10, 23, 25, 46, 50, 115, 125

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111000001001110

Octal: 70116

Duodecimal: 1477A

Hexadecimal: 704e

Square: 826562500

Square Root: 169.5582495781317

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

The (1,1)-entry of the matrix Mⁿ, where M is the 5 X 5 matrix [[0,1,0,0,0],[0,0,1,0,0], [0,0,0,1,0], [0,0,0,0,1], [1,0,-1,1,1]]. A107293

Triangle of coefficients of polynomials v(n,x) jointly generated with A209168; see the Formula section. A209169

Sum of primes between 100·n and 100·n + 99. A276355

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

Nonsquares mod 37. A28750