Properties of the Number 55647

Fifty-Five Thousand Six Hundred Forty-Seven

Basics

Value: 55646 → 55647 → 55648

Parity: odd

Prime: No

Previous Prime: 55639

Next Prime: 55661

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ⁵ × 229

Divisors: 1, 3, 9, 27, 81, 229, 243, 687, 2061, 6183

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1101100101011111

Octal: 154537

Duodecimal: 28253

Hexadecimal: d95f

Square: 3096588609

Square Root: 235.89616359746083

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

T(n,k)=Number of length n+5 0..k arrays with every six consecutive terms having the maximum of some two terms equal to the minimum of the remaining four terms. A250081

Lesser of two consecutive numbers each divisible by a fifth power. A68783

Numbers k such that k²+4, k²+8, and k²+10 are prime. A157929

Number of length n+5 0..2 arrays with every six consecutive terms having the maximum of some two terms equal to the minimum of the remaining four terms. A250075

Number of length 7+5 0..n arrays with every six consecutive terms having the maximum of some two terms equal to the minimum of the remaining four terms. A250088

Numbers such that the decimal digits of σ(n) are a permutation of those of σ(n)-n. A277114

Number of subsets of {1,2,...,n} such that no two elements differ by 1, 4, or 5. A375981

Numbers k such that k | 4^k + 3^k + 2^k. A57238

Integers in base 14 with each base 14 digit represented by 2 decimal digits. A55647