Properties of the Number 57090

Fifty-Seven Thousand Ninety

Basics

Value: 57089 → 57090 → 57091

Parity: even

Prime: No

Previous Prime: 57089

Next Prime: 57097

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 5 × 11 × 173

Divisors: 1, 2, 3, 5, 6, 10, 11, 15, 22, 30

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1101111100000010

Octal: 157402

Duodecimal: 29056

Hexadecimal: df02

Square: 3259268100

Square Root: 238.9351376419969

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

Numbers k such that there are exactly 9 numbers j for which binomial(k, floor(k/2)) / binomial(k,j) is an integer, i.e., A080383(k) = 9. A327431

Number of nX2 0..1 arrays with every element unequal to 1, 2 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A317857

McKay-Thompson series of class 28A for Monster. A58606

Scaled Chebyshev U-polynomials evaluated at i·sqrt(7)/2. Generalized Fibonacci sequence. A57090