Properties of the Number 86881

Eighty-Six Thousand Eight Hundred Eighty-One

Basics

Value: 86880 → 86881 → 86882

Parity: odd

Prime: No

Previous Prime: 86869

Next Prime: 86923

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 283 × 307

Divisors: 1, 283, 307, 86881

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10101001101100001

Octal: 251541

Duodecimal: 42341

Hexadecimal: 15361

Square: 7548308161

Square Root: 294.75583115521226

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

Sequence of pairwise relatively prime numbers of class P₄ (see comment in A275246). A275248

a(n) = (2·n)!*Sum[Sum[1/(i+j),{i,1,n}],{j,1,n}]. A86881