Properties of the Number 31696

Thirty-One Thousand Six Hundred Ninety-Six

Basics

Value: 31695 → 31696 → 31697

Parity: even

Prime: No

Previous Prime: 31687

Next Prime: 31699

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ⁴ × 7 × 283

Divisors: 1, 2, 4, 7, 8, 14, 16, 28, 56, 112

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 111101111010000

Octal: 75720

Duodecimal: 16414

Hexadecimal: 7bd0

Square: 1004636416

Square Root: 178.03370467414308

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

Numbers n such that n!8+1 is prime (for n!8 see A114800). A204661

a(n) + a(n+1) + a(n+2) = n⁶, a(1)=a(2)=0. A152731

Number of tilings of a 12 X n rectangle using integer-sided square tiles of area > 1. A226376

Number of n X 4 0..1 arrays with rows and columns lexicographically nondecreasing read forwards, and nonincreasing read backwards. A201371

Trajectory of 775 under the Reverse and Add! operation carried out in base 2, written in base 10. A77077

Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 18. A31696