Properties of the Number -2099

Ninety-Nine

Basics

Value: -2100 → -2099 → -2098

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2099

Divisors: 1, 2099

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100000110011

Octal: -4063

Duodecimal: -126B

Hexadecimal: -833

Square: 4405801

Square Root: 45.81484475582123

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) = ∑_k=1..n μ(k)*k². A336276

a(n) = A174817(n) - Mnr; where Mnr = A001228(26) = 808017424794512875886459904961710757005754368000000000, also called the Monster number, cf. A003131. A174818

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 473", based on the 5-celled von Neumann neighborhood. A272426

Safe primes p: (p-1)/2 is also prime. A5385

Primes whose binary representation is also the decimal representation of a prime. A65720

Number of integer partitions of n such that the greatest part is the unique mode. A362612

Primes prime(k) for which A049076(k) = 2. A49078

Primes with first digit 2. A45708

Safe primes (A005385) that are not Sophie Germain primes. A59452

Primes congruent to 29 (mod 30). A132236