The Number

390243

Three Hundred and Ninety Thousand Two Hundred and Forty-Three

In Base 21 Unovigesimal Is

202j021

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

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

Nearby Numbers

Positive, nonzero integers within three units

390240
202ii21
Three Hundred and Ninety Thousand Two Hundred and Forty in Base 21 Unovigesimal
390241
202ij21
Three Hundred and Ninety Thousand Two Hundred and Forty-One in Base 21 Unovigesimal
390242
202ik21
Three Hundred and Ninety Thousand Two Hundred and Forty-Two in Base 21 Unovigesimal
390244
202j121
Three Hundred and Ninety Thousand Two Hundred and Forty-Four in Base 21 Unovigesimal
390245
202j221
Three Hundred and Ninety Thousand Two Hundred and Forty-Five in Base 21 Unovigesimal
390246
202j321
Three Hundred and Ninety Thousand Two Hundred and Forty-Six in Base 21 Unovigesimal

Scientific Notation

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

3.90243e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000a9g666hh12f7921

The reciprocal of 390243 in Base 21 Unovigesimal.

Palindrome?

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

The number 202j021 is not a palindrome.

Not A Prime Number

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

Three hundred and ninety thousand two hundred and forty-three is a composite number with 8 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Three hundred and ninety thousand two hundred and forty-three is a composite number with 8 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 three hundred and ninety thousand two hundred and forty-three has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
18583
202j21
Eightteen Thousand Five Hundred and Eighty-Three in Base 21 Unovigesimal

Prime Factorization

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

3211 · 7211 · 202j211 = 202j021

Base Conversions

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