The Number

12505

Twelve Thousand Five Hundred and Five

In Base 21 Unovigesimal Is

177a21

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

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

Nearby Numbers

Positive, nonzero integers within three units

12502
177721
Twelve Thousand Five Hundred and Two in Base 21 Unovigesimal
12503
177821
Twelve Thousand Five Hundred and Three in Base 21 Unovigesimal
12504
177921
Twelve Thousand Five Hundred and Four in Base 21 Unovigesimal
12506
177b21
Twelve Thousand Five Hundred and Six in Base 21 Unovigesimal
12507
177c21
Twelve Thousand Five Hundred and Seven in Base 21 Unovigesimal
12508
177d21
Twelve 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.

1.2505e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000fbcb9ija2afj21

The reciprocal of 12505 in Base 21 Unovigesimal.

Palindrome?

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

The number 177a21 is not a palindrome.

Not A Prime Number

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

Twelve 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.

Twelve 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 twelve thousand five hundred and five has the following 3 prime factors:

5
521
Five in Base 21 Unovigesimal
41
1k21
Forty-One in Base 21 Unovigesimal
61
2j21
Sixty-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

5211 · 1k211 · 2j211 = 177a21

Base Conversions

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