Properties of the Number 86551

Eighty-Six Thousand Five Hundred Fifty-One

Basics

Value: 86550 → 86551 → 86552

Parity: odd

Prime: No

Previous Prime: 86539

Next Prime: 86561

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 41 × 2111

Divisors: 1, 41, 2111, 86551

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101001000010111

Octal: 251027

Duodecimal: 42107

Hexadecimal: 15217

Square: 7491075601

Square Root: 294.1955132220748

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

Numbers k for which A276085(k) is a multiple of 3125, where A276085 is fully additive with a(p) = p#/p. A377878

Absolute discriminants of complex quadratic fields with 3-class group of type (3,3), 3-principalization type (2143), IPAD [(3,9)⁴], and Hilbert 3-class field tower of unknown length at least 3. A247688

a(n) = smallest k such that τ(k)= n*τ(k-1) where τ(k) = number of divisors of k, or 0 if no such number exists. A86551

a(n) = n⁵*(n⁷ + 1)/2. A168432

Number of (n+1)X4 0..2 arrays with the number of clockwise edge increases in every 2X2 subblock the same. A205904