Properties of the Number 45624

Forty-Five Thousand Six Hundred Twenty-Four

Basics

Value: 45623 → 45624 → 45625

Parity: even

Prime: No

Previous Prime: 45613

Next Prime: 45631

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ³ × 3 × 1901

Divisors: 1, 2, 3, 4, 6, 8, 12, 24, 1901, 3802

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 1011001000111000

Octal: 131070

Duodecimal: 224A0

Hexadecimal: b238

Square: 2081549376

Square Root: 213.5977527971678

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 k² contains every digit at least once. A54038

Numbers n such that n² contains every decimal digit exactly once. A156977

53 'Reverse and Add' steps are needed to reach a palindrome. A65320

Numbers n such that the n-th tribonacci number as defined by A000213 is prime. A157611

a(n) = 1 + ∑_k=1..n-4 a(k) * a(n-k-4). A346076

Dying rabbits: a(n) = Fibonacci(n) for n <= 12; for n >= 13, a(n) = a(n-1) + a(n-2) - a(n-13). A107358

Number of 2 X 2 matrices having all terms in {1,...,n} and determinant >= 2n. A211062

a(n) = (1/5ⁿ) * ∑_k=0..n² ( (binomial(n², k) * 4^k) (mod 5ⁿ) ). A376534

Row sums of convolution triangle A030526. A45624

Number of nX4 0..1 arrays with every element equal to 0, 2, 3, 4, 5 or 7 king-move adjacent elements, with upper left element zero. A299131