The Number

1998

One Thousand Nine Hundred and Ninety-Eight

In Base 20 Vigesimal Is

4ji20

The numbers with a 20 subscript use Base 20 Vigesimal 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
4jf20
One Thousand Nine Hundred and Ninety-Five in Base 20 Vigesimal
1996
4jg20
One Thousand Nine Hundred and Ninety-Six in Base 20 Vigesimal
1997
4jh20
One Thousand Nine Hundred and Ninety-Seven in Base 20 Vigesimal
1999
4jj20
One Thousand Nine Hundred and Ninety-Nine in Base 20 Vigesimal
2000
50020
Two Thousand in Base 20 Vigesimal
2001
50120
Two Thousand and One in Base 20 Vigesimal

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.

0.00401c0cg52a0ji20

The reciprocal of 1998 in Base 20 Vigesimal.

Palindrome?

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

The number 4ji20 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 20 Vigesimal

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
220
Two in Base 20 Vigesimal
3
320
Three in Base 20 Vigesimal
37
1h20
Thirty-Seven in Base 20 Vigesimal

Prime Factorization

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

2201 · 3203 · 1h201 = 4ji20

Base Conversions

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