The Number

138918

One Hundred and Thirty-Eight Thousand Nine Hundred and Eightteen

In Base 21 Unovigesimal Is

f00321

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

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

Nearby Numbers

Positive, nonzero integers within three units

138915
f00021
One Hundred and Thirty-Eight Thousand Nine Hundred and Fifteen in Base 21 Unovigesimal
138916
f00121
One Hundred and Thirty-Eight Thousand Nine Hundred and Sixteen in Base 21 Unovigesimal
138917
f00221
One Hundred and Thirty-Eight Thousand Nine Hundred and Seventeen in Base 21 Unovigesimal
138919
f00421
One Hundred and Thirty-Eight Thousand Nine Hundred and Nineteen in Base 21 Unovigesimal
138920
f00521
One Hundred and Thirty-Eight Thousand Nine Hundred and Twenty in Base 21 Unovigesimal
138921
f00621
One Hundred and Thirty-Eight Thousand Nine Hundred and Twenty-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.

1.38918e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00018882aj7ih2d21

The reciprocal of 138918 in Base 21 Unovigesimal.

Palindrome?

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

The number f00321 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 thousand nine hundred and eightteen is a composite number with 24 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 thousand nine hundred and eightteen is a composite number with 24 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 thousand nine hundred and eightteen has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
13
d21
Thirteen in Base 21 Unovigesimal
137
6b21
One Hundred and Thirty-Seven 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 · d212 · 6b211 = f00321

Base Conversions

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