The Number

438242

Four Hundred and Thirty-Eight Thousand Two Hundred and Forty-Two

In Base 21 Unovigesimal Is

256fe21

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

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

Nearby Numbers

Positive, nonzero integers within three units

438239
256fb21
Four Hundred and Thirty-Eight Thousand Two Hundred and Thirty-Nine in Base 21 Unovigesimal
438240
256fc21
Four Hundred and Thirty-Eight Thousand Two Hundred and Forty in Base 21 Unovigesimal
438241
256fd21
Four Hundred and Thirty-Eight Thousand Two Hundred and Forty-One in Base 21 Unovigesimal
438243
256ff21
Four Hundred and Thirty-Eight Thousand Two Hundred and Forty-Three in Base 21 Unovigesimal
438244
256fg21
Four Hundred and Thirty-Eight Thousand Two Hundred and Forty-Four in Base 21 Unovigesimal
438245
256fh21
Four Hundred and Thirty-Eight Thousand Two Hundred and Forty-Five in Base 21 Unovigesimal

Scientific Notation

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

4.38242e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000096egi7k5a2b721

The reciprocal of 438242 in Base 21 Unovigesimal.

Palindrome?

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

The number 256fe21 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Four hundred and thirty-eight thousand two hundred and forty-two is a composite number with 16 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Four hundred and thirty-eight thousand two hundred and forty-two is a composite number with 16 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 four hundred and thirty-eight thousand two hundred and forty-two has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
23
1221
Twenty-Three in Base 21 Unovigesimal
1361
31h21
One Thousand Three Hundred and Sixty-One 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 · 7211 · 12211 · 31h211 = 256fe21

Base Conversions

The number four hundred and thirty-eight thousand two hundred and forty-two in 35 different bases