The Number

138168

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

In Base 21 Unovigesimal Is

ej6921

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

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

Nearby Numbers

Positive, nonzero integers within three units

138165
ej6621
One Hundred and Thirty-Eight Thousand One Hundred and Sixty-Five in Base 21 Unovigesimal
138166
ej6721
One Hundred and Thirty-Eight Thousand One Hundred and Sixty-Six in Base 21 Unovigesimal
138167
ej6821
One Hundred and Thirty-Eight Thousand One Hundred and Sixty-Seven in Base 21 Unovigesimal
138169
ej6a21
One Hundred and Thirty-Eight Thousand One Hundred and Sixty-Nine in Base 21 Unovigesimal
138170
ej6b21
One Hundred and Thirty-Eight Thousand One Hundred and Seventy in Base 21 Unovigesimal
138171
ej6c21
One Hundred and Thirty-Eight Thousand One Hundred and Seventy-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.

1.38168e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00018bfa9332176321

The reciprocal of 138168 in Base 21 Unovigesimal.

Palindrome?

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

The number ej6921 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 one hundred and sixty-eight is a composite number with 48 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 one hundred and sixty-eight is a composite number with 48 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 one hundred and sixty-eight has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
19
j21
Nineteen in Base 21 Unovigesimal
101
4h21
One Hundred and 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 · 3212 · j211 · 4h211 = ej6921

Base Conversions

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