The Number

742139

Seven Hundred and Forty-Two Thousand One Hundred and Thirty-Nine

In Base 21 Unovigesimal Is

3h2hk21

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

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

Nearby Numbers

Positive, nonzero integers within three units

742136
3h2hh21
Seven Hundred and Forty-Two Thousand One Hundred and Thirty-Six in Base 21 Unovigesimal
742137
3h2hi21
Seven Hundred and Forty-Two Thousand One Hundred and Thirty-Seven in Base 21 Unovigesimal
742138
3h2hj21
Seven Hundred and Forty-Two Thousand One Hundred and Thirty-Eight in Base 21 Unovigesimal
742140
3h2i021
Seven Hundred and Forty-Two Thousand One Hundred and Forty in Base 21 Unovigesimal
742141
3h2i121
Seven Hundred and Forty-Two Thousand One Hundred and Forty-One in Base 21 Unovigesimal
742142
3h2i221
Seven Hundred and Forty-Two 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.

7.42139e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00005abidgcf5id221

The reciprocal of 742139 in Base 21 Unovigesimal.

Palindrome?

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

The number 3h2hk21 is not a palindrome.

Not A Prime Number

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

Seven hundred and forty-two thousand one hundred and thirty-nine is a composite number with 8 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Seven hundred and forty-two thousand one hundred and thirty-nine 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 seven hundred and forty-two thousand one hundred and thirty-nine has the following 3 prime factors:

29
1821
Twenty-Nine in Base 21 Unovigesimal
157
7a21
One Hundred and Fifty-Seven in Base 21 Unovigesimal
163
7g21
One Hundred and Sixty-Three in Base 21 Unovigesimal

Prime Factorization

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

18211 · 7a211 · 7g211 = 3h2hk21

Base Conversions

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