The Number

640221

Six Hundred and Forty Thousand Two Hundred and Twenty-One

In Base 20 Vigesimal Is

400b120

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

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

Nearby Numbers

Positive, nonzero integers within three units

640218
400ai20
Six Hundred and Forty Thousand Two Hundred and Eightteen in Base 20 Vigesimal
640219
400aj20
Six Hundred and Forty Thousand Two Hundred and Nineteen in Base 20 Vigesimal
640220
400b020
Six Hundred and Forty Thousand Two Hundred and Twenty in Base 20 Vigesimal
640222
400b220
Six Hundred and Forty Thousand Two Hundred and Twenty-Two in Base 20 Vigesimal
640223
400b320
Six Hundred and Forty Thousand Two Hundred and Twenty-Three in Base 20 Vigesimal
640224
400b420
Six Hundred and Forty Thousand Two Hundred and Twenty-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.

6.40221e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00004jj63gi2hahb20

The reciprocal of 640221 in Base 20 Vigesimal.

Palindrome?

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

The number 400b120 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 twenty-one is a composite number with 4 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 twenty-one is a composite number with 4 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 twenty-one has the following 2 prime factors:

3
320
Three in Base 20 Vigesimal
213407
16da720
Two Hundred and Thirteen Thousand Four Hundred and Seven in Base 20 Vigesimal

Prime Factorization

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

3201 · 16da7201 = 400b120

Base Conversions

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