The Number

139975

One Hundred and Thirty-Nine Thousand Nine Hundred and Seventy-Five

In Base 21 Unovigesimal Is

f28a21

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 Seventy-Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

139972
f28721
One Hundred and Thirty-Nine Thousand Nine Hundred and Seventy-Two in Base 21 Unovigesimal
139973
f28821
One Hundred and Thirty-Nine Thousand Nine Hundred and Seventy-Three in Base 21 Unovigesimal
139974
f28921
One Hundred and Thirty-Nine Thousand Nine Hundred and Seventy-Four in Base 21 Unovigesimal
139976
f28b21
One Hundred and Thirty-Nine Thousand Nine Hundred and Seventy-Six in Base 21 Unovigesimal
139977
f28c21
One Hundred and Thirty-Nine Thousand Nine Hundred and Seventy-Seven in Base 21 Unovigesimal
139978
f28d21
One Hundred and Thirty-Nine Thousand Nine Hundred and Seventy-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.

1.39975e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000183f4b43129d921

The reciprocal of 139975 in Base 21 Unovigesimal.

Palindrome?

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

The number f28a21 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 seventy-five is a composite number with 12 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 seventy-five is a composite number with 12 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 seventy-five has the following 3 prime factors:

5
521
Five in Base 21 Unovigesimal
11
b21
Eleven in Base 21 Unovigesimal
509
13521
Five 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

5212 · b211 · 135211 = f28a21

Base Conversions

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