Properties of the Number 56565

Fifty-Six Thousand Five Hundred Sixty-Five

Basics

Value: 56564 → 56565 → 56566

Parity: odd

Prime: No

Previous Prime: 56543

Next Prime: 56569

Digit Sum: 27

Digital Root: 9

Palindrome: Yes

Factorization: 3 ³ × 5 × 419

Divisors: 1, 3, 5, 9, 15, 27, 45, 135, 419, 1257

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1101110011110101

Octal: 156365

Duodecimal: 28899

Hexadecimal: dcf5

Square: 3199599225

Square Root: 237.83397570574311

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 σ(k) = σ(k-1). A231546

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

Table of consecutive numbers with the same sum of divisors. A225757

Palindromes with consecutive digits that differ exactly by 1. A207954

Numbers n such that n * (x-1)/x produces a rotation of the digits in n for some value of x. A288626

Number of binary strings of length n with no substrings equal to 0010 0101 or 1011. A164495

Numbers k that divide σ(k) - σ(k-1). A227307

Fibonomial coefficients. A56565