The Number

138502

One Hundred and Thirty-Eight Thousand Five Hundred and Two

In Base 21 Unovigesimal Is

ek1721

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

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

Nearby Numbers

Positive, nonzero integers within three units

138499
ek1421
One Hundred and Thirty-Eight Thousand Four Hundred and Ninety-Nine in Base 21 Unovigesimal
138500
ek1521
One Hundred and Thirty-Eight Thousand Five Hundred in Base 21 Unovigesimal
138501
ek1621
One Hundred and Thirty-Eight Thousand Five Hundred and One in Base 21 Unovigesimal
138503
ek1821
One Hundred and Thirty-Eight Thousand Five Hundred and Three in Base 21 Unovigesimal
138504
ek1921
One Hundred and Thirty-Eight Thousand Five Hundred and Four in Base 21 Unovigesimal
138505
ek1a21
One Hundred and Thirty-Eight Thousand Five Hundred and Five in Base 21 Unovigesimal

Scientific Notation

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

1.38502e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00018a5163bh5ef21

The reciprocal of 138502 in Base 21 Unovigesimal.

Palindrome?

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

The number ek1721 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 five hundred and two is a composite number with 16 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 five hundred and two is a composite number with 16 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 five hundred and two has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
13
d21
Thirteen in Base 21 Unovigesimal
761
1f521
Seven Hundred and Sixty-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

2211 · 7211 · d211 · 1f5211 = ek1721

Base Conversions

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