Properties of the Number 22042

Twenty-Two Thousand Forty-Two

Basics

Value: 22041 → 22042 → 22043

Parity: even

Prime: No

Previous Prime: 22039

Next Prime: 22051

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 2 × 103 × 107

Divisors: 1, 2, 103, 107, 206, 214, 11021, 22042

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101011000011010

Octal: 53032

Duodecimal: 1090A

Hexadecimal: 561a

Square: 485849764

Square Root: 148.4654842042419

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) = 2·prime(n)*prime(n+1). A69486

Largest number not the sum of n distinct nonzero squares. A129210

Expansion of (1-3·x²) / (1-x-4·x²+2·x³+2·x⁴). A384598

Expansion of ∏_{i>=1, j>=1} (1 + i·x^i·j). A333653

Smallest m such that A098371(m) = n. A98373

Numbers k such that 3·6^k - 1 is prime. A186106

a(n) = A002070(n) + A036689(n). A366346

4-wave sequence beginning with 2s. A60824

Number of planar triangular n X n X n nonnegative integer grids with mirror symmetry about one altitude with every similarly oriented 5 X 5 X 5 subtriangle summing to 11. A154084

Ordered perimeters p of primitive Pythagorean triangles no side of which is squarefree. A329392