The Number

139724

One Hundred and Thirty-Nine Thousand Seven Hundred and Twenty-Four

In Base 21 Unovigesimal Is

f1hb21

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

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

Nearby Numbers

Positive, nonzero integers within three units

139721
f1h821
One Hundred and Thirty-Nine Thousand Seven Hundred and Twenty-One in Base 21 Unovigesimal
139722
f1h921
One Hundred and Thirty-Nine Thousand Seven Hundred and Twenty-Two in Base 21 Unovigesimal
139723
f1ha21
One Hundred and Thirty-Nine Thousand Seven Hundred and Twenty-Three in Base 21 Unovigesimal
139725
f1hc21
One Hundred and Thirty-Nine Thousand Seven Hundred and Twenty-Five in Base 21 Unovigesimal
139726
f1hd21
One Hundred and Thirty-Nine Thousand Seven Hundred and Twenty-Six in Base 21 Unovigesimal
139727
f1he21
One Hundred and Thirty-Nine Thousand Seven Hundred and Twenty-Seven in Base 21 Unovigesimal

Scientific Notation

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

1.39724e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000184h6jfj149bf21

The reciprocal of 139724 in Base 21 Unovigesimal.

Palindrome?

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

The number f1hb21 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 seven hundred and twenty-four 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 seven hundred and twenty-four 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 seven hundred and twenty-four has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
13
d21
Thirteen in Base 21 Unovigesimal
2687
61k21
Two Thousand Six Hundred and Eighty-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

2212 · d211 · 61k211 = f1hb21

Base Conversions

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