The Number

242991

Two Hundred and Forty-Two Thousand Nine Hundred and Ninety-One

In Base 21 Unovigesimal Is

1550021

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

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

Nearby Numbers

Positive, nonzero integers within three units

242988
154ki21
Two Hundred and Forty-Two Thousand Nine Hundred and Eighty-Eight in Base 21 Unovigesimal
242989
154kj21
Two Hundred and Forty-Two Thousand Nine Hundred and Eighty-Nine in Base 21 Unovigesimal
242990
154kk21
Two Hundred and Forty-Two Thousand Nine Hundred and Ninety in Base 21 Unovigesimal
242992
1550121
Two Hundred and Forty-Two Thousand Nine Hundred and Ninety-Two in Base 21 Unovigesimal
242993
1550221
Two Hundred and Forty-Two Thousand Nine Hundred and Ninety-Three in Base 21 Unovigesimal
242994
1550321
Two Hundred and Forty-Two Thousand Nine Hundred and Ninety-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.

2.42991e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000ggk384i97ie321

The reciprocal of 242991 in Base 21 Unovigesimal.

Palindrome?

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

The number 1550021 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 nine hundred and ninety-one is a composite number with 36 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 nine hundred and ninety-one is a composite number with 36 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 nine hundred and ninety-one has the following 4 prime factors:

3
321
Three in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
19
j21
Nineteen in Base 21 Unovigesimal
29
1821
Twenty-Nine in Base 21 Unovigesimal

Prime Factorization

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

3212 · 7212 · j211 · 18211 = 1550021

Base Conversions

The number two hundred and forty-two thousand nine hundred and ninety-one in 35 different bases