The Number

1398

One Thousand Three Hundred and Ninety-Eight

In Base 18 Octodecimal Is

45c18

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

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

Nearby Numbers

Positive, nonzero integers within three units

1395
45918
One Thousand Three Hundred and Ninety-Five in Base 18 Octodecimal
1396
45a18
One Thousand Three Hundred and Ninety-Six in Base 18 Octodecimal
1397
45b18
One Thousand Three Hundred and Ninety-Seven in Base 18 Octodecimal
1399
45d18
One Thousand Three Hundred and Ninety-Nine in Base 18 Octodecimal
1400
45e18
One Thousand Four Hundred in Base 18 Octodecimal
1401
45f18
One Thousand Four Hundred and One in Base 18 Octodecimal

Scientific Notation

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

1.398e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00431b3b6778fg818

The reciprocal of 1398 in Base 18 Octodecimal.

Palindrome?

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

The number 45c18 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 three hundred and ninety-eight 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 three hundred and ninety-eight 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 three hundred and ninety-eight has the following 3 prime factors:

2
218
Two in Base 18 Octodecimal
3
318
Three 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

2181 · 3181 · ch181 = 45c18

Base Conversions

The number one thousand three hundred and ninety-eight in 35 different bases