Properties of the Number -202089

Two Hundred Two Thousand Eighty-Nine

Basics

Value: -202090 → -202089 → -202088

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 31 × 41 × 53

Divisors: 1, 3, 31, 41, 53, 93, 123, 159, 1271, 1643

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110001010101101001

Octal: -612551

Duodecimal: -98B49

Hexadecimal: -31569

Square: 40839963921

Square Root: 449.5431013818364

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 ∏_i>=1 (1 - xⁱ)^-1/i; also of exp(∑_n>=1 (d(n)*xⁿ/n)) where d is number of divisors function. A28342

Square array A(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of e.g.f.: ∏_j>0 1/(1-j^k*x^j)^1/j. A294761

G.f. A(x) satisfies A(x) = 1 / ((1 + x) * (1 - x * (1 + x + x² + x³) * A(x⁴))). A367718