The Number

139909

One Hundred and Thirty-Nine Thousand Nine Hundred and Nine

In Base 21 Unovigesimal Is

f25721

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

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

Nearby Numbers

Positive, nonzero integers within three units

139906
f25421
One Hundred and Thirty-Nine Thousand Nine Hundred and Six in Base 21 Unovigesimal
139907
f25521
One Hundred and Thirty-Nine Thousand Nine Hundred and Seven in Base 21 Unovigesimal
139908
f25621
One Hundred and Thirty-Nine Thousand Nine Hundred and Eight in Base 21 Unovigesimal
139910
f25821
One Hundred and Thirty-Nine Thousand Nine Hundred and Ten in Base 21 Unovigesimal
139911
f25921
One Hundred and Thirty-Nine Thousand Nine Hundred and Eleven in Base 21 Unovigesimal
139912
f25a21
One Hundred and Thirty-Nine Thousand Nine Hundred and Twelve in Base 21 Unovigesimal

Scientific Notation

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

1.39909e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001840600dij2i21

The reciprocal of 139909 in Base 21 Unovigesimal.

Palindrome?

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

The number f25721 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-nine thousand nine hundred and nine 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-nine thousand nine hundred and nine 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-nine thousand nine hundred and nine has the following 4 prime factors:

7
721
Seven in Base 21 Unovigesimal
11
b21
Eleven in Base 21 Unovigesimal
23
1221
Twenty-Three in Base 21 Unovigesimal
79
3g21
Seventy-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

7211 · b211 · 12211 · 3g211 = f25721

Base Conversions

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