Properties of the Number 50565

Fifty Thousand Five Hundred Sixty-Five

Basics

Value: 50564 → 50565 → 50566

Parity: odd

Prime: No

Previous Prime: 50551

Next Prime: 50581

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 × 3371

Divisors: 1, 3, 5, 15, 3371, 10113, 16855, 50565

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1100010110000101

Octal: 142605

Duodecimal: 25319

Hexadecimal: c585

Square: 2556819225

Square Root: 224.8666271370654

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

Number of 0..n-1 integer arrays v[1..5] of length 5 with all autocorrelation values sum(i){v[i]*v[i-k]} distinct for k in 0..4. A171356

Number of 0..8 integer arrays v[1..n] of length n with all autocorrelation values sum(i){v[i]*v[i-k]} distinct for k in 0..n-1. A171314

Number of (n+1)X(n+1) -8..8 symmetric matrices with every 2X2 subblock having sum zero and one, two or three distinct values. A211470

G.f. satisfies: A(x) = exp( ∑_n>=1 (∑_k=0..n C(n,k)³ * x^k*A(x)^k) * xⁿ*A(x)ⁿ/n ). A200215

Numbers k such that 79·2^k-1 is prime. A50565