The Number

242821

Two Hundred and Forty-Two Thousand Eight Hundred and Twenty-One

In Base 21 Unovigesimal Is

154cj21

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

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

Nearby Numbers

Positive, nonzero integers within three units

242818
154cg21
Two Hundred and Forty-Two Thousand Eight Hundred and Eightteen in Base 21 Unovigesimal
242819
154ch21
Two Hundred and Forty-Two Thousand Eight Hundred and Nineteen in Base 21 Unovigesimal
242820
154ci21
Two Hundred and Forty-Two Thousand Eight Hundred and Twenty in Base 21 Unovigesimal
242822
154ck21
Two Hundred and Forty-Two Thousand Eight Hundred and Twenty-Two in Base 21 Unovigesimal
242823
154d021
Two Hundred and Forty-Two Thousand Eight Hundred and Twenty-Three in Base 21 Unovigesimal
242824
154d121
Two Hundred and Forty-Two Thousand Eight Hundred and Twenty-Four in Base 21 Unovigesimal

Scientific Notation

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

2.42821e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000gh477ehhib8221

The reciprocal of 242821 in Base 21 Unovigesimal.

Palindrome?

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

The number 154cj21 is not a palindrome.

Not A Prime Number

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

Two hundred and forty-two thousand eight hundred and twenty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Two hundred and forty-two thousand eight hundred and twenty-one is a composite number with 4 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 two hundred and forty-two thousand eight hundred and twenty-one has the following 2 prime factors:

43
2121
Forty-Three in Base 21 Unovigesimal
5647
cgj21
Five Thousand Six Hundred and Forty-Seven in Base 21 Unovigesimal

Prime Factorization

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

21211 · cgj211 = 154cj21

Base Conversions

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