The Number

139649

One Hundred and Thirty-Nine Thousand Six Hundred and Forty-Nine

In Base 21 Unovigesimal Is

f1dk21

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

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

Nearby Numbers

Positive, nonzero integers within three units

139646
f1dh21
One Hundred and Thirty-Nine Thousand Six Hundred and Forty-Six in Base 21 Unovigesimal
139647
f1di21
One Hundred and Thirty-Nine Thousand Six Hundred and Forty-Seven in Base 21 Unovigesimal
139648
f1dj21
One Hundred and Thirty-Nine Thousand Six Hundred and Forty-Eight in Base 21 Unovigesimal
139650
f1e021
One Hundred and Thirty-Nine Thousand Six Hundred and Fifty in Base 21 Unovigesimal
139651
f1e121
One Hundred and Thirty-Nine Thousand Six Hundred and Fifty-One in Base 21 Unovigesimal
139652
f1e221
One Hundred and Thirty-Nine Thousand Six Hundred and Fifty-Two in Base 21 Unovigesimal

Scientific Notation

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

1.39649e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000185356fggg9bf21

The reciprocal of 139649 in Base 21 Unovigesimal.

Palindrome?

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

The number f1dk21 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 six hundred and forty-nine 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 six hundred and forty-nine 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 six hundred and forty-nine has the following 2 prime factors:

73
3a21
Seventy-Three in Base 21 Unovigesimal
1913
47221
One Thousand Nine Hundred and Thirteen in Base 21 Unovigesimal

Prime Factorization

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

3a211 · 472211 = f1dk21

Base Conversions

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