The Number

2181

Two Thousand One Hundred and Eighty-One

In Base 23 Trivigesimal Is

42j23

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

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

Nearby Numbers

Positive, nonzero integers within three units

2178
42g23
Two Thousand One Hundred and Seventy-Eight in Base 23 Trivigesimal
2179
42h23
Two Thousand One Hundred and Seventy-Nine in Base 23 Trivigesimal
2180
42i23
Two Thousand One Hundred and Eighty in Base 23 Trivigesimal
2182
42k23
Two Thousand One Hundred and Eighty-Two in Base 23 Trivigesimal
2183
42l23
Two Thousand One Hundred and Eighty-Three in Base 23 Trivigesimal
2184
42m23
Two Thousand One Hundred and Eighty-Four in Base 23 Trivigesimal

Scientific Notation

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

2.181e3

Reciprocal

A number multiplied with its reciprocal is one.

0.005d7259f9dm3223

The reciprocal of 2181 in Base 23 Trivigesimal.

Palindrome?

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

The number 42j23 is not a palindrome.

Not A Prime Number

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

Two thousand one hundred and eighty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 23 Trivigesimal

A Composite

Composites have more than just these two factors.

Two thousand one hundred and eighty-one 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 two thousand one hundred and eighty-one has the following 2 prime factors:

3
323
Three in Base 23 Trivigesimal
727
18e23
Seven Hundred and Twenty-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 · 18e231 = 42j23

Base Conversions

The number two thousand one hundred and eighty-one in 35 different bases