Properties of the Number 45457

Forty-Five Thousand Four Hundred Fifty-Seven

Basics

Value: 45456 → 45457 → 45458

Parity: odd

Prime: No

Previous Prime: 45439

Next Prime: 45481

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 131 × 347

Divisors: 1, 131, 347, 45457

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1011000110010001

Octal: 130621

Duodecimal: 22381

Hexadecimal: b191

Square: 2066338849

Square Root: 213.20647269724248

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

Expansion of e.g.f. tan(x)/cosh(sin(x)), odd powers only. A9761

Number of permutations of length n which avoid the patterns 1243, 2341, 4321. A116825

Semiprimes whose decimal representation has only digits in {4,5,7}. A217124

Integer solutions to n⁴ = x³ + y² (values of·sorted by n). A221744

a(n) = Sum{T(i,j)}, 0<=i<=n, 0<=j<=i, T given by A026714. A26723

Floor(average of first n factorials). A78619

Primes congruent to {0, 4} mod 5. A45457

Number of (n+2)X(1+2) 0..2 arrays with every consecutive three elements in every row having 2 or 3 distinct values, in every column 1 or 2 distinct values, in every diagonal 2 distinct values, and in every antidiagonal 2 distinct values, and new values 0 upwards introduced in row major order. A252877

Number of nX4 0..1 arrays with every element unequal to 1, 2, 3, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero. A317372