Properties of the Number -208250

Two Hundred Eight Thousand Two Hundred Fifty

Basics

Value: -208251 → -208250 → -208249

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 5 ³ × 7 ² × 17

Divisors: 1, 2, 5, 7, 10, 14, 17, 25, 34, 35

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110010110101111010

Octal: -626572

Duodecimal: -A0622

Hexadecimal: -32d7a

Square: 43368062500

Square Root: 456.3441683641854

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

G.f.: 1 / ∏_i>=1 (1-q^2·i-1)²*(1-q^12·i-8)*(1-q^12·i-6)*(1-q^12·i-4)*(1-q^12·i). A201077

Number of vertices in a regular 2n-gon when all vertices are connect by straight lines except for the n lines joining diametrically opposite vertices. A368814

a(n) is the genus of the modular curve associated to the principal congruence subgroup of level p(n), where p(n) is the n-th prime number. A191590