Properties of the Number -2550

Five Hundred Fifty

Basics

Value: -2551 → -2550 → -2549

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 5 ² × 17

Divisors: 1, 2, 3, 5, 6, 10, 15, 17, 25, 30

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100111110110

Octal: -4766

Duodecimal: -1586

Hexadecimal: -9f6

Square: 6502500

Square Root: 50.49752469181039

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-x^N)/((1-x)(1-x²)(1-x³)...(1-x^N)) for N = 5. A60024

-1 + ∏_n>=1 (1 + xⁿ)^a(n) = g.f. of A000040 (prime numbers). A305871

McKay-Thompson series of class 6a for Monster. A7260

a(n) = Sum[d∣n, d==1 (mod 3), d²] - Sum[d∣n, d==2 (mod 3), d²]. A103440

Expansion of ψ(-x)⁶ in powers of·where ψ() is a Ramanujan θ function. A213791

Oblong (or promic, pronic, or heteromecic) numbers: a(n) = n*(n+1). A2378

a(n) = 2·n*(2·n+1). A2943

Numbers obtained by reinterpreting base-2 representation of n in primorial base: a(0) = 0, a(2n) = A276154(a(n)), a(2n+1) = 1 + A276154(a(n)). A276156

Number of pairwise coprime strict compositions of n, where a singleton is not considered coprime unless it is (1). A337561

Numbers k for which A003415(k) >= A276086(k), where A003415 is the arithmetic derivative and A276086 is the primorial base exp-function. A351228