Properties of the Number 86766

Eighty-Six Thousand Seven Hundred Sixty-Six

Basics

Value: 86765 → 86766 → 86767

Parity: even

Prime: No

Previous Prime: 86753

Next Prime: 86767

Digit Sum: 33

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 14461

Divisors: 1, 2, 3, 6, 14461, 28922, 43383, 86766

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: 10101001011101110

Octal: 251356

Duodecimal: 42266

Hexadecimal: 152ee

Square: 7528338756

Square Root: 294.56068984166916

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

Let u(1)=u(2)=u(3)=1, u(n+3)=(n·u(n)+(n+1)*u(n+1)+(n+2)*u(n+2))/(n+3); sequence gives values of n such that u(n) is an integer. A75770

a(n) = smallest r where (concatenation of n, r times with itself)*10 + 1 is a prime given by A087403(n), or 0 if no such number exists. A86766