The Number

390240

Three Hundred and Ninety Thousand Two Hundred and Forty

In Base 21 Unovigesimal Is

202ii21

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 in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

390237
202if21
Three Hundred and Ninety Thousand Two Hundred and Thirty-Seven in Base 21 Unovigesimal
390238
202ig21
Three Hundred and Ninety Thousand Two Hundred and Thirty-Eight in Base 21 Unovigesimal
390239
202ih21
Three Hundred and Ninety Thousand Two Hundred and Thirty-Nine 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
390243
202j021
Three Hundred and Ninety Thousand Two 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.

3.90240e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000a9g70k91ifiid21

The reciprocal of 390240 in Base 21 Unovigesimal.

Palindrome?

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

The number 202ii21 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 is a composite number with 72 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 is a composite number with 72 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 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
271
cj21
Two Hundred and Seventy-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

2215 · 3212 · 5211 · cj211 = 202ii21

Base Conversions

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