Properties of the Number 55642

Fifty-Five Thousand Six Hundred Forty-Two

Basics

Value: 55641 → 55642 → 55643

Parity: even

Prime: No

Previous Prime: 55639

Next Prime: 55661

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 43 × 647

Divisors: 1, 2, 43, 86, 647, 1294, 27821, 55642

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101100101011010

Octal: 154532

Duodecimal: 2824A

Hexadecimal: d95a

Square: 3096032164

Square Root: 235.88556547614354

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

a(n) is the sum of the smallest parts of all partitions of n that do not contain 1 as a part. A182708

T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with row and column sums nondecreasing, and no adjacent elements equal. A233031

Expansion of (1+2·x-x²) / (1-2·x-5·x²+2·x³). A384672

Number of (n+1)X(3+1) 0..3 arrays with row and column sums nondecreasing, and no adjacent elements equal. A233030

Number of digits in the decimal expansion of n. A55642