The Number

81642

Eighty-One Thousand Six Hundred and Forty-Two

In Base 28 Octovigesimal Is

3k3m28

The numbers with a 28 subscript use Base 28 Octovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

81639
3k3j28
Eighty-One Thousand Six Hundred and Thirty-Nine in Base 28 Octovigesimal
81640
3k3k28
Eighty-One Thousand Six Hundred and Forty in Base 28 Octovigesimal
81641
3k3l28
Eighty-One Thousand Six Hundred and Forty-One in Base 28 Octovigesimal
81643
3k3n28
Eighty-One Thousand Six Hundred and Forty-Three in Base 28 Octovigesimal
81644
3k3o28
Eighty-One Thousand Six Hundred and Forty-Four in Base 28 Octovigesimal
81645
3k3p28
Eighty-One Thousand Six Hundred and Forty-Five in Base 28 Octovigesimal

Scientific Notation

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

8.1642e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0007emdcheggp1j28

The reciprocal of 81642 in Base 28 Octovigesimal.

Palindrome?

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

The number 3k3m28 is not a palindrome.

Not A Prime Number

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

Eighty-one thousand six hundred and forty-two is a composite number with 16 total factors (including 1 and itself).   See primes in Base 28 Octovigesimal

A Composite

Composites have more than just these two factors.

Eighty-one thousand six hundred and forty-two 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 eighty-one thousand six hundred and forty-two has the following 4 prime factors:

2
228
Two in Base 28 Octovigesimal
3
328
Three in Base 28 Octovigesimal
11
b28
Eleven in Base 28 Octovigesimal
1237
1g528
One Thousand Two Hundred and Thirty-Seven in Base 28 Octovigesimal

Prime Factorization

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

2281 · 3281 · b281 · 1g5281 = 3k3m28

Base Conversions

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