The Number

138243

One Hundred and Thirty-Eight Thousand Two Hundred and Forty-Three

In Base 21 Unovigesimal Is

eja021

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

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

Nearby Numbers

Positive, nonzero integers within three units

138240
ej9i21
One Hundred and Thirty-Eight Thousand Two Hundred and Forty in Base 21 Unovigesimal
138241
ej9j21
One Hundred and Thirty-Eight Thousand Two Hundred and Forty-One in Base 21 Unovigesimal
138242
ej9k21
One Hundred and Thirty-Eight Thousand Two Hundred and Forty-Two in Base 21 Unovigesimal
138244
eja121
One Hundred and Thirty-Eight Thousand Two Hundred and Forty-Four in Base 21 Unovigesimal
138245
eja221
One Hundred and Thirty-Eight Thousand Two Hundred and Forty-Five in Base 21 Unovigesimal
138246
eja321
One Hundred and Thirty-Eight Thousand Two Hundred and Forty-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.

1.38243e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00018b88j7hb286b21

The reciprocal of 138243 in Base 21 Unovigesimal.

Palindrome?

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

The number eja021 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 two hundred and forty-three 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 two hundred and forty-three 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 two hundred and forty-three has the following 4 prime factors:

3
321
Three in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
29
1821
Twenty-Nine in Base 21 Unovigesimal
227
ah21
Two Hundred and Twenty-Seven in Base 21 Unovigesimal

Prime Factorization

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

3211 · 7211 · 18211 · ah211 = eja021

Base Conversions

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