The Number

138540

One Hundred and Thirty-Eight Thousand Five Hundred and Forty

In Base 21 Unovigesimal Is

ek3321

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 Forty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

138537
ek3021
One Hundred and Thirty-Eight Thousand Five Hundred and Thirty-Seven in Base 21 Unovigesimal
138538
ek3121
One Hundred and Thirty-Eight Thousand Five Hundred and Thirty-Eight in Base 21 Unovigesimal
138539
ek3221
One Hundred and Thirty-Eight Thousand Five Hundred and Thirty-Nine in Base 21 Unovigesimal
138541
ek3421
One Hundred and Thirty-Eight Thousand Five Hundred and Forty-One in Base 21 Unovigesimal
138542
ek3521
One Hundred and Thirty-Eight Thousand Five Hundred and Forty-Two in Base 21 Unovigesimal
138543
ek3621
One Hundred and Thirty-Eight Thousand Five Hundred and Forty-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.

1.38540e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00018a1a83g2ichc21

The reciprocal of 138540 in Base 21 Unovigesimal.

Palindrome?

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

The number ek3321 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 forty 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 five hundred and forty 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 five hundred and forty has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
2309
54k21
Two Thousand Three Hundred and Nine in Base 21 Unovigesimal

Prime Factorization

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

2212 · 3211 · 5211 · 54k211 = ek3321

Base Conversions

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