The Number

640381

Six Hundred and Forty Thousand Three Hundred and Eighty-One

In Base 20 Vigesimal Is

400j120

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

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

Nearby Numbers

Positive, nonzero integers within three units

640378
400ii20
Six Hundred and Forty Thousand Three Hundred and Seventy-Eight in Base 20 Vigesimal
640379
400ij20
Six Hundred and Forty Thousand Three Hundred and Seventy-Nine in Base 20 Vigesimal
640380
400j020
Six Hundred and Forty Thousand Three Hundred and Eighty in Base 20 Vigesimal
640382
400j220
Six Hundred and Forty Thousand Three Hundred and Eighty-Two in Base 20 Vigesimal
640383
400j320
Six Hundred and Forty Thousand Three Hundred and Eighty-Three in Base 20 Vigesimal
640384
400j420
Six Hundred and Forty Thousand Three 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.

6.40381e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00004jig40d6fg98620

The reciprocal of 640381 in Base 20 Vigesimal.

Palindrome?

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

The number 400j120 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 three 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 three 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 three hundred and eighty-one has the following 2 prime factors:

7
720
Seven in Base 20 Vigesimal
1867
4d720
One Thousand Eight Hundred and Sixty-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

7203 · 4d7201 = 400j120

Base Conversions

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