Properties of the Number 31147

Thirty-One Thousand One Hundred Forty-Seven

Basics

Value: 31146 → 31147 → 31148

Parity: odd

Prime: Yes

Previous Prime: 31139

Next Prime: 31151

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 31147

Divisors: 1, 31147

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111100110101011

Octal: 74653

Duodecimal: 16037

Hexadecimal: 79ab

Square: 970135609

Square Root: 176.48512685209482

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

Coordination sequence for (2,3,8) tiling of hyperbolic plane. A265058

Initial term in sequence of four consecutive primes separated by 3 consecutive differences each <=6 (i.e., when d=2,4 or 6) and forming d-pattern=[4,2,6]; short d-string notation of pattern = [426]. A78850

a(n) is the least prime > a(n-1) whose digits do not appear in a(n-1). A30284

The first prime of 8 consecutive primes a, b, c, d, e, f, g, h such that a + g = c + e and b + h = d + f. A292618

Primes of the form k² - 7·k + 7. A89376

Prime numbers (together with one) whose representation in balanced ternary are palindromes. A224502

a(1) = 2, a(n+1) = smallest prime of the form a(n) + k·prime(n+1), k >1. A85041

a(1) = 3; for n > 1 a(n) is the least prime of form a(n-1) + k·prime(n-1) with k > 0. A95184

Number of permutations of length n which avoid the patterns 1243, 1342, 4312. A116770

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 1, 0), (0, 0, -1), (1, -1, 0), (1, 1, 0)}. A149202