The Number

21855

Twenty-One Thousand Eight Hundred and Fifty-Five

In Base 23 Trivigesimal Is

1i7523

The numbers with a 23 subscript use Base 23 Trivigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21852
1i7223
Twenty-One Thousand Eight Hundred and Fifty-Two in Base 23 Trivigesimal
21853
1i7323
Twenty-One Thousand Eight Hundred and Fifty-Three in Base 23 Trivigesimal
21854
1i7423
Twenty-One Thousand Eight Hundred and Fifty-Four in Base 23 Trivigesimal
21856
1i7623
Twenty-One Thousand Eight Hundred and Fifty-Six in Base 23 Trivigesimal
21857
1i7723
Twenty-One Thousand Eight Hundred and Fifty-Seven in Base 23 Trivigesimal
21858
1i7823
Twenty-One Thousand Eight Hundred and Fifty-Eight in Base 23 Trivigesimal

Scientific Notation

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

2.1855e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000cibcdj27l86e23

The reciprocal of 21855 in Base 23 Trivigesimal.

Palindrome?

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

The number 1i7523 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 fifty-five is a composite number with 16 total factors (including 1 and itself).   See primes in Base 23 Trivigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand eight hundred and fifty-five is a composite number with 16 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 fifty-five has the following 4 prime factors:

3
323
Three in Base 23 Trivigesimal
5
523
Five in Base 23 Trivigesimal
31
1823
Thirty-One in Base 23 Trivigesimal
47
2123
Forty-Seven in Base 23 Trivigesimal

Prime Factorization

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

3231 · 5231 · 18231 · 21231 = 1i7523

Base Conversions

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