Properties of the Number 31293

Thirty-One Thousand Two Hundred Ninety-Three

Basics

Value: 31292 → 31293 → 31294

Parity: odd

Prime: No

Previous Prime: 31277

Next Prime: 31307

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 19 × 61

Divisors: 1, 3, 9, 19, 27, 57, 61, 171, 183, 513

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111101000111101

Octal: 75075

Duodecimal: 16139

Hexadecimal: 7a3d

Square: 979251849

Square Root: 176.8982758536668

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

First differences of A275315. A275066

First differences of A275316. A275472

G.f.: ∑_n=-oo..+oo x^n*(n+1/2) * C(x)^3·n-3, where C(x) = 1 + x·C(x)² is the g.f. of the Catalan numbers (A000108). A355348

Number of length-(3+1) 0..n arrays with new repeated values introduced in sequential order starting with zero. A268262

Position of n-th 6 in A007376. A31293

Number of defective 3-colorings of a 4 X n 0..2 array connected horizontally, diagonally and antidiagonally with exactly two mistakes, and colors introduced in row-major 0..2 order. A229640