The Number

640142

Six Hundred and Forty Thousand One Hundred and Forty-Two

In Base 20 Vigesimal Is

4007220

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

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

Nearby Numbers

Positive, nonzero integers within three units

640139
4006j20
Six Hundred and Forty Thousand One Hundred and Thirty-Nine in Base 20 Vigesimal
640140
4007020
Six Hundred and Forty Thousand One Hundred and Forty in Base 20 Vigesimal
640141
4007120
Six Hundred and Forty Thousand One Hundred and Forty-One in Base 20 Vigesimal
640143
4007320
Six Hundred and Forty Thousand One Hundred and Forty-Three in Base 20 Vigesimal
640144
4007420
Six Hundred and Forty Thousand One Hundred and Forty-Four in Base 20 Vigesimal
640145
4007520
Six Hundred and Forty Thousand One 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.

6.40142e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00004jjb2afejh0he20

The reciprocal of 640142 in Base 20 Vigesimal.

Palindrome?

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

The number 4007220 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 one 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 thousand one 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 thousand one hundred and forty-two has the following 3 prime factors:

2
220
Two in Base 20 Vigesimal
263
d320
Two Hundred and Sixty-Three in Base 20 Vigesimal
1217
30h20
One Thousand Two Hundred and Seventeen 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 · d3201 · 30h201 = 4007220

Base Conversions

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