Properties of the Number 51684

Fifty-One Thousand Six Hundred Eighty-Four

Basics

Value: 51683 → 51684 → 51685

Parity: even

Prime: No

Previous Prime: 51683

Next Prime: 51691

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 59 × 73

Divisors: 1, 2, 3, 4, 6, 12, 59, 73, 118, 146

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

603 Try Today's Challenge

Representations

Binary: 1100100111100100

Octal: 144744

Duodecimal: 25AB0

Hexadecimal: c9e4

Square: 2671235856

Square Root: 227.34115333568624

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

G.f.: ∑_n>=0 (xⁿ⁺¹ + i)ⁿ / (1 + i·xⁿ)ⁿ⁺¹, in which the constant term is taken to be 1. A323690

Number of free polyominoes of size 2n for which there exists at least one closed path that passes through each square exactly once. A361288

Transform of A056594 by the T_1,0 transformation (see link). A159339

Number of (n+1) X (1+1) 0..2 arrays with no element unequal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with values 0..2 introduced in row major order. A231295

Auxiliary sequence for calculation of number of even permutations of degree n and order exactly 2. A51684

Number of (n+1)X3 0..3 arrays with no 2X2 subblock summing to less than 6. A184666