Properties of the Number 45580

Forty-Five Thousand Five Hundred Eighty

Basics

Value: 45579 → 45580 → 45581

Parity: even

Prime: No

Previous Prime: 45569

Next Prime: 45587

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 5 × 43 × 53

Divisors: 1, 2, 4, 5, 10, 20, 43, 53, 86, 106

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1011001000001100

Octal: 131014

Duodecimal: 22464

Hexadecimal: b20c

Square: 2077536400

Square Root: 213.49473061413013

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..1 arrays with row sums nondecreasing and column sums unimodal. A223625

a(n) = (7·n+2)*(7·n+5) = 49·n² + 49·n + 10. A177060

Number of nX5 0..1 arrays with row sums nondecreasing and column sums unimodal. A223623

Number of 4Xn 0..1 arrays with row sums nondecreasing and column sums unimodal. A223628

a(n) = prime(prime(n·n) - n·n) - n·n where prime(n) is the n-th prime. A141127

Numbers k that divide 7^k + 2^k. A45580