Properties of the Number 86782

Eighty-Six Thousand Seven Hundred Eighty-Two

Basics

Value: 86781 → 86782 → 86783

Parity: even

Prime: No

Previous Prime: 86771

Next Prime: 86783

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 2 × 43391

Divisors: 1, 2, 43391, 86782

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101001011111110

Octal: 251376

Duodecimal: 4227A

Hexadecimal: 152fe

Square: 7531115524

Square Root: 294.5878476787527

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

Total sum of the 6th powers of lengths of ascending runs in all permutations of [n]. A228996

a(n) = ∑_k=0..n Stirling2(n+3·k,k). A392749

Total sum of 4th powers of parts in all partitions of n. A229326

Total sum A(n,k) of the k-th powers of lengths of ascending runs in all permutations of [n]; square array A(n,k), n>=0, k>=0, read by antidiagonals. A229001

Sum of the degrees of the irreducible representations of the group GL(3,Z_n). A86782