Properties of the Number 86621

Eighty-Six Thousand Six Hundred Twenty-One

Basics

Value: 86620 → 86621 → 86622

Parity: odd

Prime: No

Previous Prime: 86599

Next Prime: 86627

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 19 × 47 × 97

Divisors: 1, 19, 47, 97, 893, 1843, 4559, 86621

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101001001011101

Octal: 251135

Duodecimal: 42165

Hexadecimal: 1525d

Square: 7503197641

Square Root: 294.3144576808961

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 such that k has nonincreasing digits and the k-th prime has nondecreasing digits. A116069

a(n) = A005259(n) mod (n+1)³. A289289

[ exp(13/17)*n! ]. A30887

Main diagonal of square table A086620 of coefficients, T(n,k), of xⁿ*y^k in f(x,y) that satisfies f(x,y) = 1/(1-x-y) + xy·f(x,y)². A86621