The Number

642138

Six Hundred and Forty-Two Thousand One Hundred and Thirty-Eight

In Base 20 Vigesimal Is

4056i20

The numbers with a 20 subscript use Base 20 Vigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

642135
4056f20
Six Hundred and Forty-Two Thousand One Hundred and Thirty-Five in Base 20 Vigesimal
642136
4056g20
Six Hundred and Forty-Two Thousand One Hundred and Thirty-Six in Base 20 Vigesimal
642137
4056h20
Six Hundred and Forty-Two Thousand One Hundred and Thirty-Seven in Base 20 Vigesimal
642139
4056j20
Six Hundred and Forty-Two Thousand One Hundred and Thirty-Nine in Base 20 Vigesimal
642140
4057020
Six Hundred and Forty-Two Thousand One Hundred and Forty in Base 20 Vigesimal
642141
4057120
Six Hundred and Forty-Two Thousand One Hundred and Forty-One in Base 20 Vigesimal

Scientific Notation

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

6.42138e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00004jd6g7j4f475820

The reciprocal of 642138 in Base 20 Vigesimal.

Palindrome?

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

The number 4056i20 is not a palindrome.

Not A Prime Number

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

Six hundred and forty-two thousand one hundred and thirty-eight is a composite number with 16 total factors (including 1 and itself).   See primes in Base 20 Vigesimal

A Composite

Composites have more than just these two factors.

Six hundred and forty-two thousand one hundred and thirty-eight is a composite number with 16 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 six hundred and forty-two thousand one hundred and thirty-eight has the following 4 prime factors:

2
220
Two in Base 20 Vigesimal
3
320
Three in Base 20 Vigesimal
7
720
Seven in Base 20 Vigesimal
15289
1i4920
Fifteen Thousand Two Hundred and Eighty-Nine in Base 20 Vigesimal

Prime Factorization

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

2201 · 3201 · 7201 · 1i49201 = 4056i20

Base Conversions

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