The Number

131398

One Hundred and Thirty-One Thousand Three Hundred and Ninety-Eight

In Base 21 Unovigesimal Is

e3k121

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

131395
e3jj21
One Hundred and Thirty-One Thousand Three Hundred and Ninety-Five in Base 21 Unovigesimal
131396
e3jk21
One Hundred and Thirty-One Thousand Three Hundred and Ninety-Six in Base 21 Unovigesimal
131397
e3k021
One Hundred and Thirty-One Thousand Three Hundred and Ninety-Seven in Base 21 Unovigesimal
131399
e3k221
One Hundred and Thirty-One Thousand Three Hundred and Ninety-Nine in Base 21 Unovigesimal
131400
e3k321
One Hundred and Thirty-One Thousand Four Hundred in Base 21 Unovigesimal
131401
e3k421
One Hundred and Thirty-One Thousand Four Hundred and One in Base 21 Unovigesimal

Scientific Notation

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

1.31398e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001a1f2c4ci5i4721

The reciprocal of 131398 in Base 21 Unovigesimal.

Palindrome?

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

The number e3k121 is not a palindrome.

Not A Prime Number

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

One hundred and thirty-one thousand three hundred and ninety-eight is a composite number with 4 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

One hundred and thirty-one thousand three hundred and ninety-eight is a composite number with 4 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 hundred and thirty-one thousand three hundred and ninety-eight has the following 2 prime factors:

2
221
Two in Base 21 Unovigesimal
65699
71kb21
Sixty-Five Thousand Six Hundred and Ninety-Nine in Base 21 Unovigesimal

Prime Factorization

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

2211 · 71kb211 = e3k121

Base Conversions

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