Properties of the Number -1442

Four Hundred Forty-Two

Basics

Value: -1443 → -1442 → -1441

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 × 7 × 103

Divisors: 1, 2, 7, 14, 103, 206, 721, 1442

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10110100010

Octal: -2642

Duodecimal: -A02

Hexadecimal: -5a2

Square: 2079364

Square Root: 37.97367509209505

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 Product (1 - x^k)¹⁰ in powers of x. A10818

Expansion of ∏_k>0 ((1-x^5k-2) * (1-x^5k-3)/((1-x^5k-1) * (1-x^5k-4)))² in powers of x. A285442

Expansion of (1/x) * Series_Reversion( x * (1/(1-x³) - x) ). A370840

Expansion of f(-q)² * Q(q) in powers of q. A122266

Expansion of f(-q³)² * Q(q³) + 48·q * f(-q³)¹⁰ in powers of q. A234565

Numerator of Hermite(n, 2/27). A160088

E.g.f.: expansion of tanh(log(1+x))/exp(x). A9782

Number of parts in all partitions of n into distinct parts. A15723

Coordination sequence T1 for Zeolite Code LTA and ρ. A8137

Number of points on surface of cuboctahedron (or icosahedron): a(0) = 1; for n > 0, a(n) = 10n² + 2. Also coordination sequence for f.c.c. or A₃ or D₃ lattice. A5901