The Number

21998

Twenty-One Thousand Nine Hundred and Ninety-Eight

In Base 25 Pentavigesimal Is

1a4n25

The numbers with a 25 subscript use Base 25 Pentavigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21995
1a4k25
Twenty-One Thousand Nine Hundred and Ninety-Five in Base 25 Pentavigesimal
21996
1a4l25
Twenty-One Thousand Nine Hundred and Ninety-Six in Base 25 Pentavigesimal
21997
1a4m25
Twenty-One Thousand Nine Hundred and Ninety-Seven in Base 25 Pentavigesimal
21999
1a4o25
Twenty-One Thousand Nine Hundred and Ninety-Nine in Base 25 Pentavigesimal
22000
1a5025
Twenty-Two Thousand in Base 25 Pentavigesimal
22001
1a5125
Twenty-Two Thousand and One in Base 25 Pentavigesimal

Scientific Notation

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

2.1998e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000hin7ijmcn07h25

The reciprocal of 21998 in Base 25 Pentavigesimal.

Palindrome?

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

The number 1a4n25 is not a palindrome.

Not A Prime Number

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

Twenty-one thousand nine hundred and ninety-eight is a composite number with 8 total factors (including 1 and itself).   See primes in Base 25 Pentavigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand nine hundred and ninety-eight is a composite number with 8 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 twenty-one thousand nine hundred and ninety-eight has the following 3 prime factors:

2
225
Two in Base 25 Pentavigesimal
17
h25
Seventeen in Base 25 Pentavigesimal
647
10m25
Six Hundred and Forty-Seven in Base 25 Pentavigesimal

Prime Factorization

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

2251 · h251 · 10m251 = 1a4n25

Base Conversions

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