Properties of the Number -2242

Two Hundred Forty-Two

Basics

Value: -2243 → -2242 → -2241

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 2 × 19 × 59

Divisors: 1, 2, 19, 38, 59, 118, 1121, 2242

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100011000010

Octal: -4302

Duodecimal: -136A

Hexadecimal: -8c2

Square: 5026564

Square Root: 47.34976240700686

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 ∏_k>=1 ((1 - x^k)/(1 + x^k))^σ(k). A320971

Coordination sequence for "flu" 3D uniform tiling formed from tetrahedra, rhombicuboctahedra, and cubes. A299272

Coordination sequence for "tcd" 3D uniform tiling. A299287

Fifth spoke of a hexagonal spiral. A56109

Generalized 15-gonal (or pentadecagonal) numbers: n*(13·n - 11)/2, n = 0,+1,-1,+2,-2,+3,-3, ... A277082

Number of partitions of n in which the sequence of frequencies of the summands is nonincreasing. A100882

a(n) = 2·n² + 6·n + 2. A90288

Numbers k such that k² is palindromic in base 3. A29984

15-gonal (or pentadecagonal) numbers: n*(13n-11)/2. A51867

Numbers k such that for any positive integers (a, b), if a·b = k then a + b is prime. A80715