The Number

139505

One Hundred and Thirty-Nine Thousand Five Hundred and Five

In Base 21 Unovigesimal Is

f17221

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

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

Nearby Numbers

Positive, nonzero integers within three units

139502
f16k21
One Hundred and Thirty-Nine Thousand Five Hundred and Two in Base 21 Unovigesimal
139503
f17021
One Hundred and Thirty-Nine Thousand Five Hundred and Three in Base 21 Unovigesimal
139504
f17121
One Hundred and Thirty-Nine Thousand Five Hundred and Four in Base 21 Unovigesimal
139506
f17321
One Hundred and Thirty-Nine Thousand Five Hundred and Six in Base 21 Unovigesimal
139507
f17421
One Hundred and Thirty-Nine Thousand Five Hundred and Seven in Base 21 Unovigesimal
139508
f17521
One Hundred and Thirty-Nine Thousand Five Hundred and 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.

1.39505e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000185gbiegee9bf21

The reciprocal of 139505 in Base 21 Unovigesimal.

Palindrome?

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

The number f17221 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 five hundred and five is a composite number with 4 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 five hundred and five is a composite number with 4 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 five hundred and five has the following 2 prime factors:

5
521
Five in Base 21 Unovigesimal
27901
305d21
Twenty-Seven Thousand Nine 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

5211 · 305d211 = f17221

Base Conversions

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