Properties of the Number -2111

One Hundred Eleven

Basics

Value: -2112 → -2111 → -2110

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 5

Digital Root: 5

Palindrome: No

Factorization: 2111

Divisors: 1, 2111

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -100000111111

Octal: -4077

Duodecimal: -127B

Hexadecimal: -83f

Square: 4456321

Square Root: 45.94562003064057

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

Second differences of A000463; first differences of A188652. A188653

McKay-Thompson series of class 12E for the Monster group with a(0) = -2. A187196

McKay-Thompson series of class 12E for the Monster group. A58483

McKay-Thompson series of class 12E for the Monster group with a(0) = 2. A187197

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 363", based on the 5-celled von Neumann neighborhood. A268194

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 161", based on the 5-celled von Neumann neighborhood. A270453

Expansion of ∏_k>=1 (1 - x^k)^k*(k+1*(2·k+1)/6). A319757

Primes having only {1, 2, 9} as digits. A385776

Primes of the form k² + k + 41. A5846

Numbers that contain only 1's and 2's. Nonempty binary strings of length n in lexicographic order. A7931