The Number

640198

Six Hundred and Forty Thousand One Hundred and Ninety-Eight

In Base 21 Unovigesimal Is

362ed21

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

640195
362ea21
Six Hundred and Forty Thousand One Hundred and Ninety-Five in Base 21 Unovigesimal
640196
362eb21
Six Hundred and Forty Thousand One Hundred and Ninety-Six in Base 21 Unovigesimal
640197
362ec21
Six Hundred and Forty Thousand One Hundred and Ninety-Seven in Base 21 Unovigesimal
640199
362ee21
Six Hundred and Forty Thousand One Hundred and Ninety-Nine in Base 21 Unovigesimal
640200
362ef21
Six Hundred and Forty Thousand Two Hundred in Base 21 Unovigesimal
640201
362eg21
Six Hundred and Forty Thousand Two Hundred and One in Base 21 Unovigesimal

Scientific Notation

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

6.40198e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000067k6jfa7ffgg521

The reciprocal of 640198 in Base 21 Unovigesimal.

Palindrome?

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

The number 362ed21 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 ninety-eight is a composite number with 8 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Six hundred and forty thousand one hundred and ninety-eight 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 ninety-eight has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
13
d21
Thirteen in Base 21 Unovigesimal
24623
2dhb21
Twenty-Four Thousand Six Hundred and Twenty-Three in Base 21 Unovigesimal

Prime Factorization

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

2211 · d211 · 2dhb211 = 362ed21

Base Conversions

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