The Number

21887

Twenty-One Thousand Eight Hundred and Eighty-Seven

In Base 30 Trigesimal Is

o9h30

The numbers with a 30 subscript use Base 30 Trigesimal notation.

For more familiar numbers: See Twenty-One Thousand Eight Hundred and Eighty-Seven in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

21884
o9e30
Twenty-One Thousand Eight Hundred and Eighty-Four in Base 30 Trigesimal
21885
o9f30
Twenty-One Thousand Eight Hundred and Eighty-Five in Base 30 Trigesimal
21886
o9g30
Twenty-One Thousand Eight Hundred and Eighty-Six in Base 30 Trigesimal
21888
o9i30
Twenty-One Thousand Eight Hundred and Eighty-Eight in Base 30 Trigesimal
21889
o9j30
Twenty-One Thousand Eight Hundred and Eighty-Nine in Base 30 Trigesimal
21890
o9k30
Twenty-One Thousand Eight Hundred and Ninety in Base 30 Trigesimal

Scientific Notation

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

2.1887e4

Reciprocal

A number multiplied with its reciprocal is one.

0.001707d8er47rm30

The reciprocal of 21887 in Base 30 Trigesimal.

Palindrome?

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

The number o9h30 is not a palindrome.

Not A Prime Number

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

Twenty-one thousand eight hundred and eighty-seven is a composite number with 4 total factors (including 1 and itself).   See primes in Base 30 Trigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand eight 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 twenty-one thousand eight hundred and eighty-seven has the following 2 prime factors:

43
1d30
Forty-Three in Base 30 Trigesimal
509
gt30
Five Hundred and Nine in Base 30 Trigesimal

Prime Factorization

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

1d301 · gt301 = o9h30

Base Conversions

The number twenty-one thousand eight hundred and eighty-seven in 35 different bases