Properties of the Number -1508

Five Hundred Eight

Basics

Value: -1509 → -1508 → -1507

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 13 × 29

Divisors: 1, 2, 4, 13, 26, 29, 52, 58, 116, 377

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10111100100

Octal: -2744

Duodecimal: -A58

Hexadecimal: -5e4

Square: 2274064

Square Root: 38.8329756778952

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

G.f.: q-Cosh(x,q)² - q-Sinh(x,q)² at q=-x. A198199

Expansion of k(q)³ * k'(q)² * (K(q) / (π/2))⁶ / 64 in powers of q where k(), k'(), K() are Jacobi elliptic functions. A225872

Difference between sums of quadratic residues and non-residues modulo n that are coprime to n. A255643

G.f.: ∑_n>=0 (xⁿ⁺¹ + i)ⁿ / (1 + i·xⁿ)ⁿ⁺¹, in which the constant term is taken to be 1. A323690

a(n) = A171373(n+1) - 2·A171373(n). A171408

G.f. = { 1+sum(4·n*qⁿ, n=1..infinity)} / { θ series for square lattice }. A79902

(10-n) * Fibonacci(n). A137392

Heptagonal (or 7-gonal) pyramidal numbers: a(n) = n*(n+1)*(5·n-2)/6. A2413

Number of line segments (or edges) in regular n-gon with all diagonals drawn. A135565

|First digit - second digit + third digit - fourth digit ...| = 12. A60980