Properties of the Number 81486

Eighty-One Thousand Four Hundred Eighty-Six

Basics

Value: 81485 → 81486 → 81487

Parity: even

Prime: No

Previous Prime: 81463

Next Prime: 81509

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ⁴ × 503

Divisors: 1, 2, 3, 6, 9, 18, 27, 54, 81, 162

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10011111001001110

Octal: 237116

Duodecimal: 3B1A6

Hexadecimal: 13e4e

Square: 6639968196

Square Root: 285.4575274887667

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

Smallest k such that both k-n and k+n are primes and there are no primes between them. A87378

a(n) is the smallest number m, such that m+n is the next prime and m-n is the previous prime. A282690

a(n) = strictly increasing number m, such that m+n is the next prime and m-n is the previous prime. A282687

Multiples of 3018. A86746

Diagonal of triangle in A081485. A81486