Properties of the Number 86530

Eighty-Six Thousand Five Hundred Thirty

Basics

Value: 86529 → 86530 → 86531

Parity: even

Prime: No

Previous Prime: 86509

Next Prime: 86531

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 5 × 17 × 509

Divisors: 1, 2, 5, 10, 17, 34, 85, 170, 509, 1018

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10101001000000010

Octal: 251002

Duodecimal: 420AA

Hexadecimal: 15202

Square: 7487440900

Square Root: 294.15982050579237

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

a(1)=2; a(n)=first even number greater than a(n-1) such that 2·a(n)-1 is prime and a(i)+a(n)-1 is prime for all 1<=i<=n-1. A120402

Beginning with 1, odd numbers such that the arithmetic mean of successive pairs of terms gives primes in their natural order. {a(n) + a(n+1)}/2 = prime(n). A86530