The Number

1845

One Thousand Eight Hundred and Forty-Five

In Base 11 Undecimal Is

142811

The numbers with a 11 subscript use Base 11 Undecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

1842
142511
One Thousand Eight Hundred and Forty-Two in Base 11 Undecimal
1843
142611
One Thousand Eight Hundred and Forty-Three in Base 11 Undecimal
1844
142711
One Thousand Eight Hundred and Forty-Four in Base 11 Undecimal
1846
142911
One Thousand Eight Hundred and Forty-Six in Base 11 Undecimal
1847
142a11
One Thousand Eight Hundred and Forty-Seven in Base 11 Undecimal
1848
143011
One Thousand Eight Hundred and Forty-Eight in Base 11 Undecimal

Scientific Notation

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

1.845e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0007a32174796a885211

The reciprocal of 1845 in Base 11 Undecimal.

Palindrome?

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

The number 142811 is not a palindrome.

Not A Prime Number

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

One thousand eight hundred and forty-five is a composite number with 12 total factors (including 1 and itself).   See primes in Base 11 Undecimal

A Composite

Composites have more than just these two factors.

One thousand eight hundred and forty-five is a composite number with 12 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 one thousand eight hundred and forty-five has the following 3 prime factors:

3
311
Three in Base 11 Undecimal
5
511
Five in Base 11 Undecimal
41
3811
Forty-One in Base 11 Undecimal

Prime Factorization

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

3112 · 5111 · 38111 = 142811

Base Conversions

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