The Number

820

Eight Hundred and Twenty

In Base 25 Pentavigesimal Is

17k25

The numbers with a 25 subscript use Base 25 Pentavigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

817
17h25
Eight Hundred and Seventeen in Base 25 Pentavigesimal
818
17i25
Eight Hundred and Eightteen in Base 25 Pentavigesimal
819
17j25
Eight Hundred and Nineteen in Base 25 Pentavigesimal
821
17l25
Eight Hundred and Twenty-One in Base 25 Pentavigesimal
822
17m25
Eight Hundred and Twenty-Two in Base 25 Pentavigesimal
823
17n25
Eight Hundred and Twenty-Three in Base 25 Pentavigesimal

Scientific Notation

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

8.20e2

Reciprocal

A number multiplied with its reciprocal is one.

0.00j197bib350j25

The reciprocal of 820 in Base 25 Pentavigesimal.

Palindrome?

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

The number 17k25 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 is a composite number with 12 total factors (including 1 and itself).   See primes in Base 25 Pentavigesimal

A Composite

Composites have more than just these two factors.

Eight hundred and twenty 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 has the following 3 prime factors:

2
225
Two in Base 25 Pentavigesimal
5
525
Five in Base 25 Pentavigesimal
41
1g25
Forty-One in Base 25 Pentavigesimal

Prime Factorization

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

2252 · 5251 · 1g251 = 17k25

Base Conversions

The number eight hundred and twenty in 35 different bases