Properties of the Number -1926638

Nine Hundred Twenty-Six Thousand Six Hundred Thirty-Eight

Basics

Value: -1926639 → -1926638 → -1926637

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 35

Digital Root: 8

Palindrome: No

Factorization: 2 × 7 × 19 × 7243

Divisors: 1, 2, 7, 14, 19, 38, 133, 266, 7243, 14486

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111010110010111101110

Octal: -7262756

Duodecimal: -78AB52

Hexadecimal: -1d65ee

Square: 3711933983044

Square Root: 1388.0338612584349

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 bipartite outerplanar graphs on n unlabeled nodes. A111759

a(n) = ∑_{i=1..floor((n+1)/4)} a(2·i-1) * a(n-2·i+1), with a(1)=a(2)=1 and a(3)=7. A24733