Properties of the Number -31218

Thirty-One Thousand Two Hundred Eighteen

Basics

Value: -31219 → -31218 → -31217

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 11 ² × 43

Divisors: 1, 2, 3, 6, 11, 22, 33, 43, 66, 86

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -111100111110010

Octal: -74762

Duodecimal: -16096

Hexadecimal: -79f2

Square: 974563524

Square Root: 176.6861624462991

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

Convolution of natural numbers >= 3 and Fibonacci numbers. A23552

Number of binary strings of length n with equal numbers of 0000 and 0001 substrings. A164147

Numbers k that divide the k-th companion Pell number. A372899

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 1, 0), (0, 0, -1), (0, 1, 1), (1, 0, 1)}. A150483