The Number

825

Eight Hundred and Twenty-Five

In Base 21 Unovigesimal Is

1i621

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

For more familiar numbers: See Eight Hundred and Twenty-Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

822
1i321
Eight Hundred and Twenty-Two in Base 21 Unovigesimal
823
1i421
Eight Hundred and Twenty-Three in Base 21 Unovigesimal
824
1i521
Eight Hundred and Twenty-Four in Base 21 Unovigesimal
826
1i721
Eight Hundred and Twenty-Six in Base 21 Unovigesimal
827
1i821
Eight Hundred and Twenty-Seven in Base 21 Unovigesimal
828
1i921
Eight Hundred and Twenty-Eight in Base 21 Unovigesimal

Scientific Notation

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

8.25e2

Reciprocal

A number multiplied with its reciprocal is one.

0.00b4f8jd2h70b4a21

The reciprocal of 825 in Base 21 Unovigesimal.

Palindrome?

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

The number 1i621 is not a palindrome.

Not A Prime Number

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

Eight hundred and twenty-five is a composite number with 12 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Eight hundred and twenty-five is a composite number with 12 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 eight hundred and twenty-five has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
11
b21
Eleven 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 · 5212 · b211 = 1i621

Base Conversions

The number eight hundred and twenty-five in 35 different bases