Properties of the Number 56165

Fifty-Six Thousand One Hundred Sixty-Five

Basics

Value: 56164 → 56165 → 56166

Parity: odd

Prime: No

Previous Prime: 56149

Next Prime: 56167

Digit Sum: 23

Digital Root: 5

Palindrome: Yes

Factorization: 5 × 47 × 239

Divisors: 1, 5, 47, 235, 239, 1195, 11233, 56165

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101101101100101

Octal: 155545

Duodecimal: 28605

Hexadecimal: db65

Square: 3154507225

Square Root: 236.99156103118946

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

Palindromes of the form 4n + 1 where n is also a palindrome. Palindromes arising in A083831. A83832

a(n) = ∑_{k=0..floor(n/4)} (n-3·k)!/(n-4·k)!. A357533

a(n) = (6·n+1)*(6·n+5). A1513

Palindromes of form k*(k+4). A28556

a(n) = ∑_k=1..n k*[ (n/k)*[ (n/k)*[ n/k ] ] ]. A24933

a(n) = (8·n+3)*(8·n+7). A146301

e^[e^[e^ ... [e⁰] ... ]], n high, where [] is "floor". A56165