The Number

1998

One Thousand Nine Hundred and Ninety-Eight

In Base 15 Quindecimal Is

8d315

The numbers with a 15 subscript use Base 15 Quindecimal notation.

For more familiar numbers: See One Thousand Nine Hundred and Ninety-Eight in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

1995
8d015
One Thousand Nine Hundred and Ninety-Five in Base 15 Quindecimal
1996
8d115
One Thousand Nine Hundred and Ninety-Six in Base 15 Quindecimal
1997
8d215
One Thousand Nine Hundred and Ninety-Seven in Base 15 Quindecimal
1999
8d415
One Thousand Nine Hundred and Ninety-Nine in Base 15 Quindecimal
2000
8d515
Two Thousand in Base 15 Quindecimal
2001
8d615
Two Thousand and One in Base 15 Quindecimal

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

1.998e3

Reciprocal

A number multiplied with its reciprocal is one.

0.001a5103091c5716615

The reciprocal of 1998 in Base 15 Quindecimal.

Palindrome?

A numerical palindrome has the same value when all of its digits are reversed.

The number 8d315 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

One thousand nine hundred and ninety-eight is a composite number with 16 total factors (including 1 and itself).   See primes in Base 15 Quindecimal

A Composite

Composites have more than just these two factors.

One thousand nine hundred and ninety-eight is a composite number with 16 total factors (including 1 and itself).

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number one thousand nine hundred and ninety-eight has the following 3 prime factors:

2
215
Two in Base 15 Quindecimal
3
315
Three in Base 15 Quindecimal
37
2715
Thirty-Seven in Base 15 Quindecimal

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

2151 · 3153 · 27151 = 8d315

Base Conversions

The number one thousand nine hundred and ninety-eight in 35 different bases