The Number

68139

Sixty-Eight Thousand One Hundred and Thirty-Nine

In Base 21 Unovigesimal Is

77af21

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

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

Nearby Numbers

Positive, nonzero integers within three units

68136
77ac21
Sixty-Eight Thousand One Hundred and Thirty-Six in Base 21 Unovigesimal
68137
77ad21
Sixty-Eight Thousand One Hundred and Thirty-Seven in Base 21 Unovigesimal
68138
77ae21
Sixty-Eight Thousand One Hundred and Thirty-Eight in Base 21 Unovigesimal
68140
77ag21
Sixty-Eight Thousand One Hundred and Forty in Base 21 Unovigesimal
68141
77ah21
Sixty-Eight Thousand One Hundred and Forty-One in Base 21 Unovigesimal
68142
77ai21
Sixty-Eight Thousand One Hundred and Forty-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.

6.8139e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0002hjebi2ek6a8f21

The reciprocal of 68139 in Base 21 Unovigesimal.

Palindrome?

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

The number 77af21 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Sixty-eight thousand one hundred and thirty-nine 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.

Sixty-eight thousand one hundred and thirty-nine 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 sixty-eight thousand one hundred and thirty-nine has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
67
3421
Sixty-Seven in Base 21 Unovigesimal
113
5821
One 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

3212 · 34211 · 58211 = 77af21

Base Conversions

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