The Number

139945

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

In Base 13 Tridecimal Is

4b91013

The numbers with a 13 subscript use Base 13 Tridecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

139942
4b90a13
One Hundred and Thirty-Nine Thousand Nine Hundred and Forty-Two in Base 13 Tridecimal
139943
4b90b13
One Hundred and Thirty-Nine Thousand Nine Hundred and Forty-Three in Base 13 Tridecimal
139944
4b90c13
One Hundred and Thirty-Nine Thousand Nine Hundred and Forty-Four in Base 13 Tridecimal
139946
4b91113
One Hundred and Thirty-Nine Thousand Nine Hundred and Forty-Six in Base 13 Tridecimal
139947
4b91213
One Hundred and Thirty-Nine Thousand Nine Hundred and Forty-Seven in Base 13 Tridecimal
139948
4b91313
One Hundred and Thirty-Nine Thousand Nine Hundred and Forty-Eight in Base 13 Tridecimal

Scientific Notation

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

1.39945e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00002864c2689235b3913

The reciprocal of 139945 in Base 13 Tridecimal.

Palindrome?

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

The number 4b91013 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 forty-five is a composite number with 8 total factors (including 1 and itself).   See primes in Base 13 Tridecimal

A Composite

Composites have more than just these two factors.

One hundred and thirty-nine thousand nine hundred and forty-five is a composite number with 8 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 forty-five has the following 3 prime factors:

5
513
Five in Base 13 Tridecimal
13
1013
Thirteen in Base 13 Tridecimal
2153
c9813
Two Thousand One Hundred and Fifty-Three in Base 13 Tridecimal

Prime Factorization

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

5131 · 10131 · c98131 = 4b91013

Base Conversions

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