Properties of the Number 86646

Eighty-Six Thousand Six Hundred Forty-Six

Basics

Value: 86645 → 86646 → 86647

Parity: even

Prime: No

Previous Prime: 86629

Next Prime: 86677

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 7 × 2063

Divisors: 1, 2, 3, 6, 7, 14, 21, 42, 2063, 4126

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101001001110110

Octal: 251166

Duodecimal: 42186

Hexadecimal: 15276

Square: 7507529316

Square Root: 294.35692619675183

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 n-node unlabeled rooted trees with thinning limbs and root outdegree (branching factor) 5. A244706

Number of (n+2)X(4+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00010001. A260540

Triangle, read by rows, of numbers T(n,k), 0 <= k <= n, given by T(n,k) = A000364(n-k)*binomial(2·n, 2·k). A86646

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00010001. A260544