Properties of the Number 1442

One Thousand Four Hundred Forty-Two

Basics

Value: 1441 → 1442 → 1443

Parity: even

Prime: No

Previous Prime: 1439

Next Prime: 1447

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

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

a(n) = n² - 2. A8865

Number of labeled graphs with 2-colored nodes where black nodes are only connected to white nodes and vice versa. A47863

Multiples of 14 containing a 14 in their decimal representation. A121034

Number of atoms in a decahedron with n shells. A4068

Expansion of 1 + ∑_k>0 x^k^2/((1-x)(1-x²)...(1-x^2k)). A122129

Binomial transform of τ(n) (see A000005). A101509

Triangle T(n, k, m) = (m*(n-k) + 1)*T(n-1, k-1, m) + (m·k + 1)*T(n-1, k, m) + m·f(n,k)*T(n-2, k-1, m) with T(n, 0, m) = T(n, n, m) = 1, f(n, k) = 2·k+1 if k <= floor(n/2) otherwise 2*(n-k)+1, and m = 3, read by rows. A157274