The Number

1815

One Thousand Eight Hundred and Fifteen

In Base 25 Pentavigesimal Is

2mf25

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

For more familiar numbers: See One Thousand Eight Hundred and Fifteen in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

1812
2mc25
One Thousand Eight Hundred and Twelve in Base 25 Pentavigesimal
1813
2md25
One Thousand Eight Hundred and Thirteen in Base 25 Pentavigesimal
1814
2me25
One Thousand Eight Hundred and Fourteen in Base 25 Pentavigesimal
1816
2mg25
One Thousand Eight Hundred and Sixteen in Base 25 Pentavigesimal
1817
2mh25
One Thousand Eight Hundred and Seventeen in Base 25 Pentavigesimal
1818
2mi25
One Thousand Eight Hundred and Eightteen in Base 25 Pentavigesimal

Scientific Notation

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

1.815e3

Reciprocal

A number multiplied with its reciprocal is one.

0.008f5cid3labhg25

The reciprocal of 1815 in Base 25 Pentavigesimal.

Palindrome?

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

The number 2mf25 is not a palindrome.

Not A Prime Number

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

One thousand eight hundred and fifteen 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.

One thousand eight hundred and fifteen 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 one thousand eight hundred and fifteen has the following 3 prime factors:

3
325
Three in Base 25 Pentavigesimal
5
525
Five in Base 25 Pentavigesimal
11
b25
Eleven in Base 25 Pentavigesimal

Prime Factorization

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

3251 · 5251 · b252 = 2mf25

Base Conversions

The number one thousand eight hundred and fifteen in 35 different bases