The Number

1820

One Thousand Eight Hundred and Twenty

In Base 8 Octal Is

34348

The numbers with a 8 subscript use Base 8 Octal notation.

For more familiar numbers: See One Thousand Eight Hundred and Twenty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

1817
34318
One Thousand Eight Hundred and Seventeen in Base 8 Octal
1818
34328
One Thousand Eight Hundred and Eightteen in Base 8 Octal
1819
34338
One Thousand Eight Hundred and Nineteen in Base 8 Octal
1821
34358
One Thousand Eight Hundred and Twenty-One in Base 8 Octal
1822
34368
One Thousand Eight Hundred and Twenty-Two in Base 8 Octal
1823
34378
One Thousand Eight Hundred and Twenty-Three in Base 8 Octal

Scientific Notation

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

1.820e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0002200220022002200228

The reciprocal of 1820 in Base 8 Octal.

Palindrome?

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

The number 34348 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 twenty is a composite number with 24 total factors (including 1 and itself).   See primes in Base 8 Octal

A Composite

Composites have more than just these two factors.

One thousand eight hundred and twenty is a composite number with 24 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 twenty has the following 4 prime factors:

2
28
Two in Base 8 Octal
5
58
Five in Base 8 Octal
7
78
Seven in Base 8 Octal
13
158
Thirteen in Base 8 Octal

Prime Factorization

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

282 · 581 · 781 · 1581 = 34348

Base Conversions

The number one thousand eight hundred and twenty in 35 different bases