Properties of the Number 31713

Thirty-One Thousand Seven Hundred Thirteen

Basics

Value: 31712 → 31713 → 31714

Parity: odd

Prime: No

Previous Prime: 31699

Next Prime: 31721

Digit Sum: 15

Digital Root: 6

Palindrome: Yes

Factorization: 3 × 11 × 31 ²

Divisors: 1, 3, 11, 31, 33, 93, 341, 961, 1023, 2883

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111101111100001

Octal: 75741

Duodecimal: 16429

Hexadecimal: 7be1

Square: 1005714369

Square Root: 178.0814420426789

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

The non-repetitive Kaprekar binary numbers in decimal. A163205

a(n) = (n-1)²*(n+1). A152618

Base-10 palindromes that starts with 3. A43038

Octal palindromes which are also primes. A6341

Palindromic composite numbers starting with a digit 3. A222726

a(n) = ∑_{d divides n} (-1)^{d + n/d} * d⁵. A321561

Sorted k-factorial numbers (numbers of form k-1 excluded). A28687

Sorted factorial and k-factorial numbers (numbers of form k-1 excluded). A28688

Smallest palindromic multiple of 2n-1 beginning with the digit string of 2n-1; or 0 if no such number exists. A83964

Number of 6-elements orbits of S3 action on irreducible polynomials of degree n > 1 over GF(2). A165921