The Number

138663

One Hundred and Thirty-Eight Thousand Six Hundred and Sixty-Three

In Base 21 Unovigesimal Is

ek9021

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

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

Nearby Numbers

Positive, nonzero integers within three units

138660
ek8i21
One Hundred and Thirty-Eight Thousand Six Hundred and Sixty in Base 21 Unovigesimal
138661
ek8j21
One Hundred and Thirty-Eight Thousand Six Hundred and Sixty-One in Base 21 Unovigesimal
138662
ek8k21
One Hundred and Thirty-Eight Thousand Six Hundred and Sixty-Two in Base 21 Unovigesimal
138664
ek9121
One Hundred and Thirty-Eight Thousand Six Hundred and Sixty-Four in Base 21 Unovigesimal
138665
ek9221
One Hundred and Thirty-Eight Thousand Six Hundred and Sixty-Five in Base 21 Unovigesimal
138666
ek9321
One Hundred and Thirty-Eight Thousand Six Hundred and Sixty-Six in Base 21 Unovigesimal

Scientific Notation

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

1.38663e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000189ak4bk9c39f21

The reciprocal of 138663 in Base 21 Unovigesimal.

Palindrome?

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

The number ek9021 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 six hundred and sixty-three 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 six hundred and sixty-three 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 six hundred and sixty-three has the following 4 prime factors:

3
321
Three in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
31
1a21
Thirty-One in Base 21 Unovigesimal
71
3821
Seventy-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

3212 · 7211 · 1a211 · 38211 = ek9021

Base Conversions

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