Properties of the Number 51604

Fifty-One Thousand Six Hundred Four

Basics

Value: 51603 → 51604 → 51605

Parity: even

Prime: No

Previous Prime: 51599

Next Prime: 51607

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 7 × 19 × 97

Divisors: 1, 2, 4, 7, 14, 19, 28, 38, 76, 97

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 1100100110010100

Octal: 144624

Duodecimal: 25A44

Hexadecimal: c994

Square: 2662972816

Square Root: 227.1651381704508

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 (∏_j>=1 (1-(-x)^j) - 1)²¹ in powers of x. A47646

Array A(n, k) = ∏_j=1..n ( j - (1+j)*(k+1) + (k+1)^j+1 ) with A(n, 0) = n!, read by antidiagonals. A156579

Numbers having four 7's in base 9. A43484

Values of (n⁵+47·n)/48 as n ranges over the numbers that are == +-1 mod 6. A151556

Number of active (ON, black) cells at stage 2ⁿ-1 of the two-dimensional cellular automaton defined by "Rule 33", based on the 5-celled von Neumann neighborhood. A269811

a(n) = (3·n+4)!!!/4!!!. A51604