The Number

138

One Hundred and Thirty-Eight

In Base 21 Unovigesimal Is

6c21

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

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

Nearby Numbers

Positive, nonzero integers within three units

135
6921
One Hundred and Thirty-Five in Base 21 Unovigesimal
136
6a21
One Hundred and Thirty-Six in Base 21 Unovigesimal
137
6b21
One Hundred and Thirty-Seven in Base 21 Unovigesimal
139
6d21
One Hundred and Thirty-Nine in Base 21 Unovigesimal
140
6e21
One Hundred and Forty in Base 21 Unovigesimal
141
6f21
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.

1.38e2

Reciprocal

A number multiplied with its reciprocal is one.

0.03425jd509c6i21

The reciprocal of 138 in Base 21 Unovigesimal.

Palindrome?

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

The number 6c21 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-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.

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

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
23
1221
Twenty-Three 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 · 3211 · 12211 = 6c21

Base Conversions

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