The Number

243840

Two Hundred and Forty-Three Thousand Eight Hundred and Forty

In Base 21 Unovigesimal Is

156j921

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

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

Nearby Numbers

Positive, nonzero integers within three units

243837
156j621
Two Hundred and Forty-Three Thousand Eight Hundred and Thirty-Seven in Base 21 Unovigesimal
243838
156j721
Two Hundred and Forty-Three Thousand Eight Hundred and Thirty-Eight in Base 21 Unovigesimal
243839
156j821
Two Hundred and Forty-Three Thousand Eight Hundred and Thirty-Nine in Base 21 Unovigesimal
243841
156ja21
Two Hundred and Forty-Three Thousand Eight Hundred and Forty-One in Base 21 Unovigesimal
243842
156jb21
Two Hundred and Forty-Three Thousand Eight Hundred and Forty-Two in Base 21 Unovigesimal
243843
156jc21
Two Hundred and Forty-Three Thousand Eight Hundred and Forty-Three in Base 21 Unovigesimal

Scientific Notation

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

2.43840e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000gff791ed511321

The reciprocal of 243840 in Base 21 Unovigesimal.

Palindrome?

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

The number 156j921 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-three thousand eight hundred and forty is a composite number with 64 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-three thousand eight hundred and forty is a composite number with 64 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-three thousand eight hundred and forty has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
127
6121
One Hundred and Twenty-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

2217 · 3211 · 5211 · 61211 = 156j921

Base Conversions

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