Properties of the Number 56218

Fifty-Six Thousand Two Hundred Eighteen

Basics

Value: 56217 → 56218 → 56219

Parity: even

Prime: No

Previous Prime: 56209

Next Prime: 56237

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 28109

Divisors: 1, 2, 28109, 56218

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1101101110011010

Octal: 155632

Duodecimal: 2864A

Hexadecimal: db9a

Square: 3160463524

Square Root: 237.10335299189677

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 the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 67. A31655

If n = p₁^a_1·p₂^a_2·p₃^a_3 * ..., where p_k is the k-th prime and the a's are nonnegative integers, then a(n) = n!/∏_{k >= 1} [(p_k)!^a_k]. A56218

Number of nX4 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 0,1,1,0,0 for x=0,1,2,3,4. A197313