Properties of the Number 31083

Thirty-One Thousand Eighty-Three

Basics

Value: 31082 → 31083 → 31084

Parity: odd

Prime: No

Previous Prime: 31081

Next Prime: 31091

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 13 × 797

Divisors: 1, 3, 13, 39, 797, 2391, 10361, 31083

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111100101101011

Octal: 74553

Duodecimal: 15BA3

Hexadecimal: 796b

Square: 966152889

Square Root: 176.3037152189369

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

Generalized Pellian with second term equal to 5. A48655

Number of relatively prime or monic partitions of n. A300486

Expansion of g.f.: (5 - 3·x)/(1 - 6·x + x²). A101386

Numbers k such that (k² - 7)/2 is a square. A77443

Numbers n such that (n+j) mod (2+j) = 1 for j from 0 to 6 and (n+7) mod 9 <> 1. A96025

a(n) = 2·a(n-4) + a(n-8) for n >= 8. A266506

a(n) = 2·a(n - 2) + a(n - 4) with a(0) = -1, a(1) = 1, a(2) = 3, a(3) = 5. A266505

Number of Carlitz compositions of n with exactly three descents. A241693

Shifted Pell recurrence: a(n) = 2·a(n-2) + a(n-4). A135246

Indices k such that A020507(k)=φ[k](-8) is prime, where φ is a cyclotomic polynomial. A138922