Properties of the Number 13931

Thirteen Thousand Nine Hundred Thirty-One

Basics

Value: 13930 → 13931 → 13932

Parity: odd

Prime: Yes

Previous Prime: 13921

Next Prime: 13933

Digit Sum: 17

Digital Root: 8

Palindrome: Yes

Factorization: 13931

Divisors: 1, 13931

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11011001101011

Octal: 33153

Duodecimal: 808B

Hexadecimal: 366b

Square: 194072761

Square Root: 118.02965729002182

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 primes: prime numbers whose decimal expansion is a palindrome. A2385

Smallest odd prime base q such that p³ divides q^p-1 - 1, where p = prime(n). A125637

Prime power decimal palindromes. A84092

Numbers n such that φ(n) + σ(n) = n + reversal(n). A69217

Number of multisets summing to n that do not contain 1 and are not the first sums of any multiset. A390431

Palindromic primes with strictly increasing digits up to the middle and then strictly decreasing. A62351

Primes p = prime(k) such that prime(k) + prime(k+5) = prime(k+1) + prime(k+4) = prime(k+2) + prime(k+3). A64101

T(n,k)=Number of nXk 0..1 arrays with every element unequal to 0, 1, 2, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero. A317153

Primes p such that exactly four numbers among all circular permutations of the digits of p are prime. A344628

Palindromes which are prime and the sum of the digits is also prime. A82806