The Number

21868

Twenty-One Thousand Eight Hundred and Sixty-Eight

In Base 30 Trigesimal Is

o8s30

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

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

Nearby Numbers

Positive, nonzero integers within three units

21865
o8p30
Twenty-One Thousand Eight Hundred and Sixty-Five in Base 30 Trigesimal
21866
o8q30
Twenty-One Thousand Eight Hundred and Sixty-Six in Base 30 Trigesimal
21867
o8r30
Twenty-One Thousand Eight Hundred and Sixty-Seven in Base 30 Trigesimal
21869
o8t30
Twenty-One Thousand Eight Hundred and Sixty-Nine in Base 30 Trigesimal
21870
o9030
Twenty-One Thousand Eight Hundred and Seventy in Base 30 Trigesimal
21871
o9130
Twenty-One Thousand Eight Hundred and Seventy-One in Base 30 Trigesimal

Scientific Notation

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

2.1868e4

Reciprocal

A number multiplied with its reciprocal is one.

0.001716bdm1ilps30

The reciprocal of 21868 in Base 30 Trigesimal.

Palindrome?

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

The number o8s30 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 sixty-eight is a composite number with 24 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 sixty-eight is a composite number with 24 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 sixty-eight has the following 4 prime factors:

2
230
Two in Base 30 Trigesimal
7
730
Seven in Base 30 Trigesimal
11
b30
Eleven in Base 30 Trigesimal
71
2b30
Seventy-One in Base 30 Trigesimal

Prime Factorization

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

2302 · 7301 · b301 · 2b301 = o8s30

Base Conversions

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