Properties of the Number 13031

Thirteen Thousand Thirty-One

Basics

Value: 13030 → 13031 → 13032

Parity: odd

Prime: No

Previous Prime: 13009

Next Prime: 13033

Digit Sum: 8

Digital Root: 8

Palindrome: Yes

Factorization: 83 × 157

Divisors: 1, 83, 157, 13031

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11001011100111

Octal: 31347

Duodecimal: 765B

Hexadecimal: 32e7

Square: 169806961

Square Root: 114.15340555585716

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

Palindromic in bases 10 and 27. A250411

T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 3, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A303525

Cube analog to Keith numbers. A274770

Palindromes in base 4 (written in base 4). A118595

Palindromic cyclops numbers. A138131

Consider all (2n+1)-digit palindromic primes of the form 10...0M0...01 (so that M is a palindrome with <= 2n-1 digits); a(n) = smallest such M. A100026

T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 2 or 4. A251682

Numbers n such that n and π(n) (A000720) are palindromic. A103357

Palindromic primes in base 4 (written in base 4). A117699

Octal palindromes which are also primes. A6341