The Number

1505

One Thousand Five Hundred and Five

In Base 21 Unovigesimal Is

38e21

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

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

Nearby Numbers

Positive, nonzero integers within three units

1502
38b21
One Thousand Five Hundred and Two in Base 21 Unovigesimal
1503
38c21
One Thousand Five Hundred and Three in Base 21 Unovigesimal
1504
38d21
One Thousand Five Hundred and Four in Base 21 Unovigesimal
1506
38f21
One Thousand Five Hundred and Six in Base 21 Unovigesimal
1507
38g21
One Thousand Five Hundred and Seven in Base 21 Unovigesimal
1508
38h21
One Thousand Five Hundred and 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.

1.505e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00634e9c0634e9d21

The reciprocal of 1505 in Base 21 Unovigesimal.

Palindrome?

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

The number 38e21 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 five hundred and five is a composite number with 8 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

One thousand five hundred and five is a composite number with 8 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 five hundred and five has the following 3 prime factors:

5
521
Five in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
43
2121
Forty-Three in Base 21 Unovigesimal

Prime Factorization

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

5211 · 7211 · 21211 = 38e21

Base Conversions

The number one thousand five hundred and five in 35 different bases