Properties of the Number 65188

Sixty-Five Thousand One Hundred Eighty-Eight

Basics

Value: 65187 → 65188 → 65189

Parity: even

Prime: No

Previous Prime: 65183

Next Prime: 65203

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 43 × 379

Divisors: 1, 2, 4, 43, 86, 172, 379, 758, 1516, 16297

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111111010100100

Octal: 177244

Duodecimal: 31884

Hexadecimal: fea4

Square: 4249475344

Square Root: 255.3194078012872

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

Number of bridged bicyclic skeletons with n carbon atoms (see Parks et al. for precise definition). A121332

a(n) = smallest number k such that three consecutive prime numbers prime(n), prime(n+1) and prime(n+2) are divisors of k, k+1 and k+2 respectively. A180095

a(n) = (1/2)*(n²+n+2)*(n²+3·n+1). A58310

Number of permutations of 3 indistinguishable copies of 1,...,n such that there are exactly j numbers between the first and the third copy of j and floor(j/2) numbers between the first and the second or between the second and the third copy of j. A320392

"Greedy Queens" permutation of the positive integers. A65188