The Number

805142

Eight Hundred and Five Thousand One Hundred and Forty-Two

In Base 28 Octovigesimal Is

18ir228

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

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

Nearby Numbers

Positive, nonzero integers within three units

805139
18iqr28
Eight Hundred and Five Thousand One Hundred and Thirty-Nine in Base 28 Octovigesimal
805140
18ir028
Eight Hundred and Five Thousand One Hundred and Forty in Base 28 Octovigesimal
805141
18ir128
Eight Hundred and Five Thousand One Hundred and Forty-One in Base 28 Octovigesimal
805143
18ir328
Eight Hundred and Five Thousand One Hundred and Forty-Three in Base 28 Octovigesimal
805144
18ir428
Eight Hundred and Five Thousand One Hundred and Forty-Four in Base 28 Octovigesimal
805145
18ir528
Eight Hundred and Five Thousand One 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.

8.05142e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000laecdciiepn28

The reciprocal of 805142 in Base 28 Octovigesimal.

Palindrome?

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

The number 18ir228 is not a palindrome.

Not A Prime Number

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

Eight hundred and five thousand one 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.

Eight hundred and five thousand one 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 eight hundred and five thousand one hundred and forty-two has the following 4 prime factors:

2
228
Two in Base 28 Octovigesimal
13
d28
Thirteen in Base 28 Octovigesimal
173
6528
One Hundred and Seventy-Three in Base 28 Octovigesimal
179
6b28
One Hundred and Seventy-Nine 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 · d281 · 65281 · 6b281 = 18ir228

Base Conversions

The number eight hundred and five thousand one hundred and forty-two in 35 different bases