The Number

640181

Six Hundred and Forty Thousand One Hundred and Eighty-One

In Base 20 Vigesimal Is

4009120

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

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

Nearby Numbers

Positive, nonzero integers within three units

640178
4008i20
Six Hundred and Forty Thousand One Hundred and Seventy-Eight in Base 20 Vigesimal
640179
4008j20
Six Hundred and Forty Thousand One Hundred and Seventy-Nine in Base 20 Vigesimal
640180
4009020
Six Hundred and Forty Thousand One Hundred and Eighty in Base 20 Vigesimal
640182
4009220
Six Hundred and Forty Thousand One Hundred and Eighty-Two in Base 20 Vigesimal
640183
4009320
Six Hundred and Forty Thousand One Hundred and Eighty-Three in Base 20 Vigesimal
640184
4009420
Six Hundred and Forty Thousand One Hundred and Eighty-Four in Base 20 Vigesimal

Scientific Notation

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

6.40181e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00004jj8dg5bei73820

The reciprocal of 640181 in Base 20 Vigesimal.

Palindrome?

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

The number 4009120 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 eighty-one 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 eighty-one 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 eighty-one has the following 3 prime factors:

31
1b20
Thirty-One in Base 20 Vigesimal
107
5720
One Hundred and Seven in Base 20 Vigesimal
193
9d20
One Hundred and Ninety-Three in Base 20 Vigesimal

Prime Factorization

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

1b201 · 57201 · 9d201 = 4009120

Base Conversions

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