The Number

640042

Six Hundred and Forty Thousand and Forty-Two

In Base 4 Quaternary Is

21301002224

The numbers with a 4 subscript use Base 4 Quaternary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

640039
21301002134
Six Hundred and Forty Thousand and Thirty-Nine in Base 4 Quaternary
640040
21301002204
Six Hundred and Forty Thousand and Forty in Base 4 Quaternary
640041
21301002214
Six Hundred and Forty Thousand and Forty-One in Base 4 Quaternary
640043
21301002234
Six Hundred and Forty Thousand and Forty-Three in Base 4 Quaternary
640044
21301002304
Six Hundred and Forty Thousand and Forty-Four in Base 4 Quaternary
640045
21301002314
Six Hundred and Forty Thousand and Forty-Five in Base 4 Quaternary

Scientific Notation

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

6.40042e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000000001220312130202323102332133334

The reciprocal of 640042 in Base 4 Quaternary.

Palindrome?

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

The number 21301002224 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 thousand and forty-two is a composite number with 16 total factors (including 1 and itself).   See primes in Base 4 Quaternary

A Composite

Composites have more than just these two factors.

Six hundred and forty thousand and forty-two 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 thousand and forty-two has the following 4 prime factors:

2
24
Two in Base 4 Quaternary
13
314
Thirteen in Base 4 Quaternary
103
12134
One Hundred and Three in Base 4 Quaternary
239
32334
Two Hundred and Thirty-Nine in Base 4 Quaternary

Prime Factorization

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

241 · 3141 · 121341 · 323341 = 21301002224

Base Conversions

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