Properties of the Number -61818

Sixty-One Thousand Eight Hundred Eighteen

Basics

Value: -61819 → -61818 → -61817

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 10303

Divisors: 1, 2, 3, 6, 10303, 20606, 30909, 61818

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1111000101111010

Octal: -170572

Duodecimal: -2B936

Hexadecimal: -f17a

Square: 3821465124

Square Root: 248.6322585667435

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^φ(n) - ∑_j=0..n binomial(φ(n), φ(j)). A73318

Partial sums of A299266. A299267