The Number

138949

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

In Base 21 Unovigesimal Is

f01d21

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

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

Nearby Numbers

Positive, nonzero integers within three units

138946
f01a21
One Hundred and Thirty-Eight Thousand Nine Hundred and Forty-Six in Base 21 Unovigesimal
138947
f01b21
One Hundred and Thirty-Eight Thousand Nine Hundred and Forty-Seven in Base 21 Unovigesimal
138948
f01c21
One Hundred and Thirty-Eight Thousand Nine Hundred and Forty-Eight in Base 21 Unovigesimal
138950
f01e21
One Hundred and Thirty-Eight Thousand Nine Hundred and Fifty in Base 21 Unovigesimal
138951
f01f21
One Hundred and Thirty-Eight Thousand Nine Hundred and Fifty-One in Base 21 Unovigesimal
138952
f01g21
One Hundred and Thirty-Eight Thousand Nine 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.

1.38949e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00018854g677hgib21

The reciprocal of 138949 in Base 21 Unovigesimal.

Palindrome?

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

The number f01d21 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-eight thousand nine 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-eight thousand nine 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-eight thousand nine hundred and forty-nine has the following 2 prime factors:

41
1k21
Forty-One in Base 21 Unovigesimal
3389
7e821
Three Thousand Three Hundred and Eighty-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

1k211 · 7e8211 = f01d21

Base Conversions

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