The Number

640242

Six Hundred and Forty Thousand Two Hundred and Forty-Two

In Base 20 Vigesimal Is

400c220

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

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

Nearby Numbers

Positive, nonzero integers within three units

640239
400bj20
Six Hundred and Forty Thousand Two Hundred and Thirty-Nine in Base 20 Vigesimal
640240
400c020
Six Hundred and Forty Thousand Two Hundred and Forty in Base 20 Vigesimal
640241
400c120
Six Hundred and Forty Thousand Two Hundred and Forty-One in Base 20 Vigesimal
640243
400c320
Six Hundred and Forty Thousand Two Hundred and Forty-Three in Base 20 Vigesimal
640244
400c420
Six Hundred and Forty Thousand Two Hundred and Forty-Four in Base 20 Vigesimal
640245
400c520
Six Hundred and Forty 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.

6.40242e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00004jj4hc5ee6cjd20

The reciprocal of 640242 in Base 20 Vigesimal.

Palindrome?

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

The number 400c220 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 two hundred and forty-two is a composite number with 12 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 thousand two hundred and forty-two 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 six hundred and forty thousand two hundred and forty-two has the following 3 prime factors:

2
220
Two in Base 20 Vigesimal
3
320
Three in Base 20 Vigesimal
35569
48i920
Thirty-Five Thousand Five Hundred and Sixty-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 · 3202 · 48i9201 = 400c220

Base Conversions

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