The Number

642242

Six Hundred and Forty-Two Thousand Two Hundred and Forty-Two

In Base 20 Vigesimal Is

405c220

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

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

Nearby Numbers

Positive, nonzero integers within three units

642239
405bj20
Six Hundred and Forty-Two Thousand Two Hundred and Thirty-Nine in Base 20 Vigesimal
642240
405c020
Six Hundred and Forty-Two Thousand Two Hundred and Forty in Base 20 Vigesimal
642241
405c120
Six Hundred and Forty-Two Thousand Two Hundred and Forty-One in Base 20 Vigesimal
642243
405c320
Six Hundred and Forty-Two Thousand Two Hundred and Forty-Three in Base 20 Vigesimal
642244
405c420
Six Hundred and Forty-Two Thousand Two Hundred and Forty-Four in Base 20 Vigesimal
642245
405c520
Six Hundred and Forty-Two Thousand Two Hundred and Forty-Five in Base 20 Vigesimal

Scientific Notation

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

6.42242e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00004jd075d5heia620

The reciprocal of 642242 in Base 20 Vigesimal.

Palindrome?

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

The number 405c220 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 two hundred and forty-two is a composite number with 8 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 two hundred and forty-two 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 six hundred and forty-two thousand two hundred and forty-two has the following 3 prime factors:

2
220
Two in Base 20 Vigesimal
317
fh20
Three Hundred and Seventeen in Base 20 Vigesimal
1013
2ad20
One Thousand and Thirteen 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 · fh201 · 2ad201 = 405c220

Base Conversions

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