Properties of the Number -199985

One Hundred Ninety-Nine Thousand Nine Hundred Eighty-Five

Basics

Value: -199986 → -199985 → -199984

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 41

Digital Root: 5

Palindrome: No

Factorization: 5 × 23 × 37 × 47

Divisors: 1, 5, 23, 37, 47, 115, 185, 235, 851, 1081

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110000110100110001

Octal: -606461

Duodecimal: -97895

Hexadecimal: -30d31

Square: 39994000225

Square Root: 447.1968246756678

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

Numbers k equal to the number of 1's in the decimal digits of all numbers <= k. A14778

Numbers k such that the number of times digit 'm' used for writing the decimal representation between 1 to k is equal to k for at least one value of m in the range m = 1 to 9. A216400

Base-ten n containing a digit making its n-th appearance in the list of consecutive positive integers. A339752