The Number

8138

Eight Thousand One Hundred and Thirty-Eight

In Base 21 Unovigesimal Is

i9b21

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

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

Nearby Numbers

Positive, nonzero integers within three units

8135
i9821
Eight Thousand One Hundred and Thirty-Five in Base 21 Unovigesimal
8136
i9921
Eight Thousand One Hundred and Thirty-Six in Base 21 Unovigesimal
8137
i9a21
Eight Thousand One Hundred and Thirty-Seven in Base 21 Unovigesimal
8139
i9c21
Eight Thousand One Hundred and Thirty-Nine in Base 21 Unovigesimal
8140
i9d21
Eight Thousand One Hundred and Forty in Base 21 Unovigesimal
8141
i9e21
Eight Thousand One Hundred and Forty-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.

8.138e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0012ihk6hkde7g921

The reciprocal of 8138 in Base 21 Unovigesimal.

Palindrome?

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

The number i9b21 is not a palindrome.

Not A Prime Number

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

Eight thousand one hundred and thirty-eight is a composite number with 8 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Eight thousand one hundred and thirty-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 eight thousand one hundred and thirty-eight has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
13
d21
Thirteen in Base 21 Unovigesimal
313
ej21
Three Hundred and Thirteen 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 · d211 · ej211 = i9b21

Base Conversions

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