The Number

1998

One Thousand Nine Hundred and Ninety-Eight

In Base 31 Untrigesimal Is

22e31

The numbers with a 31 subscript use Base 31 Untrigesimal 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
22b31
One Thousand Nine Hundred and Ninety-Five in Base 31 Untrigesimal
1996
22c31
One Thousand Nine Hundred and Ninety-Six in Base 31 Untrigesimal
1997
22d31
One Thousand Nine Hundred and Ninety-Seven in Base 31 Untrigesimal
1999
22f31
One Thousand Nine Hundred and Ninety-Nine in Base 31 Untrigesimal
2000
22g31
Two Thousand in Base 31 Untrigesimal
2001
22h31
Two Thousand and One in Base 31 Untrigesimal

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.

0.00es6s143e80m31

The reciprocal of 1998 in Base 31 Untrigesimal.

Palindrome?

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

The number 22e31 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 31 Untrigesimal

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
231
Two in Base 31 Untrigesimal
3
331
Three in Base 31 Untrigesimal
37
1631
Thirty-Seven in Base 31 Untrigesimal

Prime Factorization

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

2311 · 3313 · 16311 = 22e31

Base Conversions

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