Properties of the Number -31998

Thirty-One Thousand Nine Hundred Ninety-Eight

Basics

Value: -31999 → -31998 → -31997

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 5333

Divisors: 1, 2, 3, 6, 5333, 10666, 15999, 31998

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111110011111110

Octal: -76376

Duodecimal: -16626

Hexadecimal: -7cfe

Square: 1023872004

Square Root: 178.8798479426903

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

Number of distributive lattices; also number of paths with n turns when light is reflected from 8 glass plates. A30112

a(n) = (n+1)*(n+2)*(61·n⁴ + 366·n³ + 845·n² + 888·n + 360)/720. A108675

Numbers k such that the first 9 digits of the k-th Lucas number are 1-9 pandigital. A216489

Triangle T(n,k) (n >= 1 and 1 <= k <= n) read by rows, arising from the Mosaic Problem. A364440