Properties of the Number -199988

One Hundred Ninety-Nine Thousand Nine Hundred Eighty-Eight

Basics

Value: -199989 → -199988 → -199987

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 44

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 17 ² × 173

Divisors: 1, 2, 4, 17, 34, 68, 173, 289, 346, 578

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110000110100110100

Octal: -606464

Duodecimal: -97898

Hexadecimal: -30d34

Square: 39995200144

Square Root: 447.2001788908408

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

a(n) = smallest multiple of 4 with sum of digits = n. A77489

Number of lower triangles of an n X n 0..6 array with each element differing from all of its horizontal and vertical neighbors by one. A194996

Number of lower triangles of a 6 X 6 0..n array with each element differing from all of its horizontal and vertical neighbors by one. A195002