The Number

640430

Six Hundred and Forty Thousand Four Hundred and Thirty

In Base 20 Vigesimal Is

4011a20

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

For more familiar numbers: See Six Hundred and Forty Thousand Four Hundred and Thirty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

640427
4011720
Six Hundred and Forty Thousand Four Hundred and Twenty-Seven in Base 20 Vigesimal
640428
4011820
Six Hundred and Forty Thousand Four Hundred and Twenty-Eight in Base 20 Vigesimal
640429
4011920
Six Hundred and Forty Thousand Four Hundred and Twenty-Nine in Base 20 Vigesimal
640431
4011b20
Six Hundred and Forty Thousand Four Hundred and Thirty-One in Base 20 Vigesimal
640432
4011c20
Six Hundred and Forty Thousand Four Hundred and Thirty-Two in Base 20 Vigesimal
640433
4011d20
Six Hundred and Forty Thousand Four Hundred and Thirty-Three in Base 20 Vigesimal

Scientific Notation

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

6.40430e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00004jid2h47291e320

The reciprocal of 640430 in Base 20 Vigesimal.

Palindrome?

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

The number 4011a20 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 four hundred and thirty is a composite number with 24 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 four hundred and thirty is a composite number with 24 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 four hundred and thirty has the following 4 prime factors:

2
220
Two in Base 20 Vigesimal
5
520
Five in Base 20 Vigesimal
7
720
Seven in Base 20 Vigesimal
1307
35720
One Thousand Three 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

2201 · 5201 · 7202 · 357201 = 4011a20

Base Conversions

The number six hundred and forty thousand four hundred and thirty in 35 different bases