The Number

138920

One Hundred and Thirty-Eight Thousand Nine Hundred and Twenty

In Base 21 Unovigesimal Is

f00521

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 Twenty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

138917
f00221
One Hundred and Thirty-Eight Thousand Nine Hundred and Seventeen in Base 21 Unovigesimal
138918
f00321
One Hundred and Thirty-Eight Thousand Nine Hundred and Eightteen in Base 21 Unovigesimal
138919
f00421
One Hundred and Thirty-Eight Thousand Nine Hundred and Nineteen in Base 21 Unovigesimal
138921
f00621
One Hundred and Thirty-Eight Thousand Nine Hundred and Twenty-One in Base 21 Unovigesimal
138922
f00721
One Hundred and Thirty-Eight Thousand Nine Hundred and Twenty-Two in Base 21 Unovigesimal
138923
f00821
One Hundred and Thirty-Eight Thousand Nine Hundred and Twenty-Three in Base 21 Unovigesimal

Scientific Notation

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

1.38920e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001887jccfi432721

The reciprocal of 138920 in Base 21 Unovigesimal.

Palindrome?

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

The number f00521 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 twenty is a composite number with 32 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 twenty is a composite number with 32 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 twenty has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
23
1221
Twenty-Three in Base 21 Unovigesimal
151
7421
One Hundred and Fifty-One in Base 21 Unovigesimal

Prime Factorization

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

2213 · 5211 · 12211 · 74211 = f00521

Base Conversions

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