Properties of the Number -87163

Eighty-Seven Thousand One Hundred Sixty-Three

Basics

Value: -87164 → -87163 → -87162

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 101 × 863

Divisors: 1, 101, 863, 87163

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10101010001111011

Octal: -252173

Duodecimal: -42537

Hexadecimal: -1547b

Square: 7597388569

Square Root: 295.23380565240154

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(1) = 1; for n >= 1, a(n+1) is smallest number such that the sums of any one, two or three of a(1), ..., a(n) are distinct (repetitions not allowed). A62065

Integers n such that for all i > n the largest prime factor of product(i+k, {k,0,13}) exceeds the largest prime factor of product(n+k, {k,0,13}). A209837

Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 33 ones. A31801