Properties of the Number -1327

Three Hundred Twenty-Seven

Basics

Value: -1328 → -1327 → -1326

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 1327

Divisors: 1, 1327

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10100101111

Octal: -2457

Duodecimal: -927

Hexadecimal: -52f

Square: 1760929

Square Root: 36.42801120017397

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

Numerators of the rational number triangle R(n, k) = (n⁴ - 30·n²*k² + 60·n*k³ -30·k⁴) / (120·n), n >= 1, k = 1, ..., n. This is a regularized ∑_{j >= 0} (k + n·j)^-s for s = -3 defined by analytic continuation of a generalized Hurwitz ζ function. A268919

Expansion of ∏_k>=1 (1-x^3·k-1)^3·k-1 * (1-x^3·k-2)^3·k-2. A285247

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 371", based on the 5-celled von Neumann neighborhood. A271457

Central polygonal numbers (the Lazy Caterer's sequence): n(n+1)/2 + 1; or, maximal number of pieces formed when slicing a pancake with n cuts. A124

Primes (lower end) with record gaps to the next consecutive prime: primes p(k) where p(k+1) - p(k) exceeds p(j+1) - p(j) for all j < k. A2386

a(0)=2; for n>=1, a(n) = smallest prime p such that there is a gap of exactly 2n between p and next prime, or -1 if no such prime exists. A230

Number of permutations satisfying -k<=p(i)-i<=r and p(i)-i not in I, i=1..n, with k=1, r=5, I={0,2,3}. A79955

Primes such that their decimal representations interpreted in base 11 are also prime. A91924

Primes of the form 7x²+4xy+52y². A140633

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