The Number

21998

Twenty-One Thousand Nine Hundred and Ninety-Eight

In Base 30 Trigesimal Is

od830

The numbers with a 30 subscript use Base 30 Trigesimal 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
od530
Twenty-One Thousand Nine Hundred and Ninety-Five in Base 30 Trigesimal
21996
od630
Twenty-One Thousand Nine Hundred and Ninety-Six in Base 30 Trigesimal
21997
od730
Twenty-One Thousand Nine Hundred and Ninety-Seven in Base 30 Trigesimal
21999
od930
Twenty-One Thousand Nine Hundred and Ninety-Nine in Base 30 Trigesimal
22000
oda30
Twenty-Two Thousand in Base 30 Trigesimal
22001
odb30
Twenty-Two Thousand and One in Base 30 Trigesimal

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.

0.0016ojb8k8ih2330

The reciprocal of 21998 in Base 30 Trigesimal.

Palindrome?

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

The number od830 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 30 Trigesimal

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
230
Two in Base 30 Trigesimal
17
h30
Seventeen in Base 30 Trigesimal
647
lh30
Six Hundred and Forty-Seven in Base 30 Trigesimal

Prime Factorization

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

2301 · h301 · lh301 = od830

Base Conversions

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