The Number

390972

Three Hundred and Ninety Thousand Nine Hundred and Seventy-Two

In Base 21 Unovigesimal Is

204bf21

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

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

Nearby Numbers

Positive, nonzero integers within three units

390969
204bc21
Three Hundred and Ninety Thousand Nine Hundred and Sixty-Nine in Base 21 Unovigesimal
390970
204bd21
Three Hundred and Ninety Thousand Nine Hundred and Seventy in Base 21 Unovigesimal
390971
204be21
Three Hundred and Ninety Thousand Nine Hundred and Seventy-One in Base 21 Unovigesimal
390973
204bg21
Three Hundred and Ninety Thousand Nine Hundred and Seventy-Three in Base 21 Unovigesimal
390974
204bh21
Three Hundred and Ninety Thousand Nine Hundred and Seventy-Four in Base 21 Unovigesimal
390975
204bi21
Three Hundred and Ninety Thousand Nine Hundred and Seventy-Five in Base 21 Unovigesimal

Scientific Notation

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

3.90972e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000a97ec55c4a7k21

The reciprocal of 390972 in Base 21 Unovigesimal.

Palindrome?

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

The number 204bf21 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 nine hundred and seventy-two is a composite number with 24 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 nine hundred and seventy-two is a composite number with 24 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 nine hundred and seventy-two has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
31
1a21
Thirty-One in Base 21 Unovigesimal
1051
28121
One Thousand and Fifty-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

2212 · 3211 · 1a211 · 281211 = 204bf21

Base Conversions

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