Properties of the Number -2116

One Hundred Sixteen

Basics

Value: -2117 → -2116 → -2115

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 23 ²

Divisors: 1, 2, 4, 23, 46, 92, 529, 1058, 2116

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -100001000100

Octal: -4104

Duodecimal: -1284

Hexadecimal: -844

Square: 4477456

Square Root: 46

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

a(n) = -(-1)ⁿ * n². A162395

a(1) = 1; a(n) = n² * ∑_{d∣n, d < n} (-1)^n/d a(d) / d². A361987

Expansion of ∏_{i>=1, j>=1, k>=1} (1 - x^i·j*k). A319359

n(n+180) is a square. A67632

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 187", based on the 5-celled von Neumann neighborhood. A270676

The squares: a(n) = n². A290

Product of divisors of n. A7955

Powerful numbers (A001694) that are not prime powers (A000961). A286708

Even squares: a(n) = (2·n)². A16742

Perfect powers of nonprimes (m^k where m is a nonprime positive integer and k >= 2). A131605