Properties of the Number -1494

Four Hundred Ninety-Four

Basics

Value: -1495 → -1494 → -1493

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 83

Divisors: 1, 2, 3, 6, 9, 18, 83, 166, 249, 498

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10111010110

Octal: -2726

Duodecimal: -A46

Hexadecimal: -5d6

Square: 2232036

Square Root: 38.65229618017538

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) = (-4·n³ + 27·n² - 20·n + 3)/3. A161711

Coefficient array of orthogonal polynomials P(n,x)=(x-n)*P(n-1,x)-(2n-3)*P(n-2,x), P(0,x)=1,P(1,x)=x-1. A178124

Expansion of g.f. A(x) = ∏_n>=1 (1 + x^n-1 + x^2·n-1) * (1 + xⁿ + x^2·n-1) * (1 - xⁿ - x^2·n). A370541

Number of compositions of n whose negation is unimodal. A332578

Coefficients for expansion of (g(x)d/dx)ⁿ g(x); refined Eulerian numbers for calculating compositional inverse of h(x) = (d/dx)^-1 1/g(x); iterated derivatives as infinitesimal generators of flows. A145271

Numbers k such that k²⁵⁶ + 1 is prime. A56995

Multiples of 9 containing a 9 in their decimal representation. A121029

Number of integer partitions of n that are constant or whose part multiplicities, except possibly the first and last, are all even. A349060

Number of integer partitions of n with the same length as alternating sum. A357189

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