The Number

138245

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

In Base 21 Unovigesimal Is

eja221

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-Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

138242
ej9k21
One Hundred and Thirty-Eight Thousand Two Hundred and Forty-Two in Base 21 Unovigesimal
138243
eja021
One Hundred and Thirty-Eight Thousand Two Hundred and Forty-Three in Base 21 Unovigesimal
138244
eja121
One Hundred and Thirty-Eight Thousand Two Hundred and Forty-Four in Base 21 Unovigesimal
138246
eja321
One Hundred and Thirty-Eight Thousand Two Hundred and Forty-Six in Base 21 Unovigesimal
138247
eja421
One Hundred and Thirty-Eight Thousand Two Hundred and Forty-Seven in Base 21 Unovigesimal
138248
eja521
One Hundred and Thirty-Eight Thousand Two Hundred and Forty-Eight in Base 21 Unovigesimal

Scientific Notation

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

1.38245e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00018b84k562kgg21

The reciprocal of 138245 in Base 21 Unovigesimal.

Palindrome?

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

The number eja221 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-five is a composite number with 8 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-five is a composite number with 8 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-five has the following 3 prime factors:

5
521
Five in Base 21 Unovigesimal
43
2121
Forty-Three in Base 21 Unovigesimal
643
19d21
Six Hundred and Forty-Three in Base 21 Unovigesimal

Prime Factorization

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

5211 · 21211 · 19d211 = eja221

Base Conversions

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