The Number

1864

One Thousand Eight Hundred and Sixty-Four

In Base 18 Octodecimal Is

5da18

The numbers with a 18 subscript use Base 18 Octodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

1861
5d718
One Thousand Eight Hundred and Sixty-One in Base 18 Octodecimal
1862
5d818
One Thousand Eight Hundred and Sixty-Two in Base 18 Octodecimal
1863
5d918
One Thousand Eight Hundred and Sixty-Three in Base 18 Octodecimal
1865
5db18
One Thousand Eight Hundred and Sixty-Five in Base 18 Octodecimal
1866
5dc18
One Thousand Eight Hundred and Sixty-Six in Base 18 Octodecimal
1867
5dd18
One Thousand Eight Hundred and Sixty-Seven in Base 18 Octodecimal

Scientific Notation

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

1.864e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00325cg405a22gfa18

The reciprocal of 1864 in Base 18 Octodecimal.

Palindrome?

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

The number 5da18 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 sixty-four is a composite number with 8 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

One thousand eight hundred and sixty-four is a composite number with 8 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 sixty-four has the following 2 prime factors:

2
218
Two in Base 18 Octodecimal
233
ch18
Two Hundred and Thirty-Three in Base 18 Octodecimal

Prime Factorization

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

2183 · ch181 = 5da18

Base Conversions

The number one thousand eight hundred and sixty-four in 35 different bases