Properties of the Number -2011

Eleven

Basics

Value: -2012 → -2011 → -2010

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 4

Digital Root: 4

Palindrome: No

Factorization: 2011

Divisors: 1, 2011

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: -11111011011

Octal: -3733

Duodecimal: -11B7

Hexadecimal: -7db

Square: 4044121

Square Root: 44.844174649557324

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

Expansion of (1-x)/(1 + x + x² - x³). A78046

McKay-Thompson series of class 28C for Monster. A58608

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 397", based on the 5-celled von Neumann neighborhood. A271692

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 441", based on the 5-celled von Neumann neighborhood. A272224

Primes p such that 2p-1 is also prime. A5382

Numbers n such that (19ⁿ - 2ⁿ)/17 is prime. A229542

Primes whose decimal representation is a valid number in base 8 and interpreted as such is again a prime. A235394

Number of integer partitions of n with an alternating permutation. A345170

Primes that become a different prime under the mapping 0 <=> 2. A180517

Numbers whose sum of digits is 4. A52218