Properties of the Number -99985

Ninety-Nine Thousand Nine Hundred Eighty-Five

Basics

Value: -99986 → -99985 → -99984

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 40

Digital Root: 4

Palindrome: No

Factorization: 5 × 19997

Divisors: 1, 5, 19997, 99985

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11000011010010001

Octal: -303221

Duodecimal: -49A41

Hexadecimal: -18691

Square: 9997000225

Square Root: 316.2040480449294

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) is the least k such that the remainder when 10^k is divided by k is n. A127818

Number of times the digit 8 appears in the first 10ⁿ digits of π. A99299

10000-gonal numbers: a(n) = n + 4999·n * (n-1). A167149

Number of partitions satisfying cn(0,5) <= cn(1,5) + cn(4,5). A39839