Properties of the Number 57722

Fifty-Seven Thousand Seven Hundred Twenty-Two

Basics

Value: 57721 → 57722 → 57723

Parity: even

Prime: No

Previous Prime: 57719

Next Prime: 57727

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 7 ² × 19 × 31

Divisors: 1, 2, 7, 14, 19, 31, 38, 49, 62, 98

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1110000101111010

Octal: 160572

Duodecimal: 294A2

Hexadecimal: e17a

Square: 3331829284

Square Root: 240.2540322242272

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 nXk 0..3 arrays with no element equal to zero plus the sum of elements to its left or two plus the sum of the elements above it or zero plus the sum of the elements diagonally to its northwest, modulo 4. A240381

Number of discordant permutations. A562

∏_n>=1 (1 + xⁿ)^a(n) = 1 + ∑_n>=1 φ(n) * xⁿ, where φ = A000010. A328774

The Szeged index of the n-sunlet graph (n>=3). A228600

Number of 3Xn 0..3 arrays with no element equal to zero plus the sum of elements to its left or two plus the sum of the elements above it or zero plus the sum of the elements diagonally to its northwest, modulo 4. A240383

Number of n X 3 binary arrays with rows and columns lexicographically nondecreasing and column sums nonincreasing. A266465

Sign of StieltjesGamma[n]. A114523

a(n) = n⁴ - 3·n² + 1. A57722