The Number

12387

Twelve Thousand Three Hundred and Eighty-Seven

In Base 21 Unovigesimal Is

171i21

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

For more familiar numbers: See Twelve Thousand Three Hundred and Eighty-Seven in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

12384
171f21
Twelve Thousand Three Hundred and Eighty-Four in Base 21 Unovigesimal
12385
171g21
Twelve Thousand Three Hundred and Eighty-Five in Base 21 Unovigesimal
12386
171h21
Twelve Thousand Three Hundred and Eighty-Six in Base 21 Unovigesimal
12388
171j21
Twelve Thousand Three Hundred and Eighty-Eight in Base 21 Unovigesimal
12389
171k21
Twelve Thousand Three Hundred and Eighty-Nine in Base 21 Unovigesimal
12390
172021
Twelve Thousand Three Hundred and Ninety in Base 21 Unovigesimal

Scientific Notation

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

1.2387e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000feeiag4a8fa721

The reciprocal of 12387 in Base 21 Unovigesimal.

Palindrome?

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

The number 171i21 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 three hundred and eighty-seven is a composite number with 4 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Twelve thousand three hundred and eighty-seven is a composite number with 4 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 three hundred and eighty-seven has the following 2 prime factors:

3
321
Three in Base 21 Unovigesimal
4129
97d21
Four Thousand One Hundred and Twenty-Nine 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 · 97d211 = 171i21

Base Conversions

The number twelve thousand three hundred and eighty-seven in 35 different bases