Properties of the Number -1996

Nine Hundred Ninety-Six

Basics

Value: -1997 → -1996 → -1995

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 499

Divisors: 1, 2, 4, 499, 998, 1996

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11111001100

Octal: -3714

Duodecimal: -11A4

Hexadecimal: -7cc

Square: 3984016

Square Root: 44.67661580737735

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

Coefficients in the expansion of 1/([r] + [2r]x + [3r]x² + ...); [ ] = floor, r = 7/5. A279779

G.f. A(x) satisfies: 1 + x = ∑_n>=0 xⁿ*(A(x)ⁿ + 1)ⁿ/(1 + x·A(x)ⁿ)ⁿ⁺¹. A324617

Numbers k such that (k! + 3)/3 is prime. A89085

Numbers that are the sum of 5 positive 5th powers. A3350

a(n) is the least k such that the remainder when 10^k is divided by k is n. A127818

Number of integer partitions of n whose negated run-lengths are unimodal. A332638

Number of integer partitions of n with integer alternating product. A347446

Expansion of f(x, -x⁴) / φ(-x²) in powers of·where f(, ) and φ() are Ramanujan θ functions. A122135

Positive integers n such that n⁵ + 1 is semiprime. A104238

Positive integers k such that k⁷ + 1 is semiprime. A105041