Properties of the Number 31966

Thirty-One Thousand Nine Hundred Sixty-Six

Basics

Value: 31965 → 31966 → 31967

Parity: even

Prime: No

Previous Prime: 31963

Next Prime: 31973

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 11 × 1453

Divisors: 1, 2, 11, 22, 1453, 2906, 15983, 31966

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111110011011110

Octal: 76336

Duodecimal: 165BA

Hexadecimal: 7cde

Square: 1021825156

Square Root: 178.79038005440896

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 first of 26 consecutive positive integers the sum of the squares of which is a square. A269448

a(n) = 2662·n + 22. A157613

The number of triangles in an equipotential triangle divided by medians into n rows of smaller triangles. A210687

The number of subsets of nonzero integers of cardinality n, produced as the steps in a computation starting with 1 and using the operations of multiplication, addition, or subtraction. A229673

Revert transform of (-1 + 2x + x²)/(-1 + x + 2x² + x³). A49127

Sign twisted convoluted convolved Fibonacci numbers H₇^r. A89114

Number of ways to place zero or more nonadjacent 1,1 2,1 3,0 3,1 4,2 4,3 5,2 6,2 polyhexes in any orientation on a planar nXnXn triangular grid. A155394

Numbers with exactly four distinct base-7 digits. A31966