The Number

21870

Twenty-One Thousand Eight Hundred and Seventy

In Base 30 Trigesimal Is

o9030

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

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

Nearby Numbers

Positive, nonzero integers within three units

21867
o8r30
Twenty-One Thousand Eight Hundred and Sixty-Seven in Base 30 Trigesimal
21868
o8s30
Twenty-One Thousand Eight Hundred and Sixty-Eight in Base 30 Trigesimal
21869
o8t30
Twenty-One Thousand Eight Hundred and Sixty-Nine in Base 30 Trigesimal
21871
o9130
Twenty-One Thousand Eight Hundred and Seventy-One in Base 30 Trigesimal
21872
o9230
Twenty-One Thousand Eight Hundred and Seventy-Two in Base 30 Trigesimal
21873
o9330
Twenty-One Thousand Eight Hundred and Seventy-Three in Base 30 Trigesimal

Scientific Notation

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

2.1870e4

Reciprocal

A number multiplied with its reciprocal is one.

0.001713a30

The reciprocal of 21870 in Base 30 Trigesimal.

Palindrome?

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

The number o9030 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 seventy is a composite number with 32 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 seventy is a composite number with 32 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 seventy has the following 3 prime factors:

2
230
Two in Base 30 Trigesimal
3
330
Three in Base 30 Trigesimal
5
530
Five in Base 30 Trigesimal

Prime Factorization

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

2301 · 3307 · 5301 = o9030

Base Conversions

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