The Number

640228

Six Hundred and Forty Thousand Two Hundred and Twenty-Eight

In Base 18 Octodecimal Is

61e0418

The numbers with a 18 subscript use Base 18 Octodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

640225
61e0118
Six Hundred and Forty Thousand Two Hundred and Twenty-Five in Base 18 Octodecimal
640226
61e0218
Six Hundred and Forty Thousand Two Hundred and Twenty-Six in Base 18 Octodecimal
640227
61e0318
Six Hundred and Forty Thousand Two Hundred and Twenty-Seven in Base 18 Octodecimal
640229
61e0518
Six Hundred and Forty Thousand Two Hundred and Twenty-Nine in Base 18 Octodecimal
640230
61e0618
Six Hundred and Forty Thousand Two Hundred and Thirty in Base 18 Octodecimal
640231
61e0718
Six Hundred and Forty Thousand Two Hundred and Thirty-One in Base 18 Octodecimal

Scientific Notation

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

6.40228e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00002h24a051840d918

The reciprocal of 640228 in Base 18 Octodecimal.

Palindrome?

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

The number 61e0418 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-eight is a composite number with 12 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Six hundred and forty thousand two hundred and twenty-eight is a composite number with 12 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-eight has the following 3 prime factors:

2
218
Two in Base 18 Octodecimal
23
1518
Twenty-Three in Base 18 Octodecimal
6959
138b18
Six Thousand Nine Hundred and Fifty-Nine in Base 18 Octodecimal

Prime Factorization

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

2182 · 15181 · 138b181 = 61e0418

Base Conversions

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