The Number

1938

One Thousand Nine Hundred and Thirty-Eight

In Base 18 Octodecimal Is

5hc18

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

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

Nearby Numbers

Positive, nonzero integers within three units

1935
5h918
One Thousand Nine Hundred and Thirty-Five in Base 18 Octodecimal
1936
5ha18
One Thousand Nine Hundred and Thirty-Six in Base 18 Octodecimal
1937
5hb18
One Thousand Nine Hundred and Thirty-Seven in Base 18 Octodecimal
1939
5hd18
One Thousand Nine Hundred and Thirty-Nine in Base 18 Octodecimal
1940
5he18
One Thousand Nine Hundred and Forty in Base 18 Octodecimal
1941
5hf18
One Thousand Nine Hundred and Forty-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.

1.938e3

Reciprocal

A number multiplied with its reciprocal is one.

0.003030303030302b18

The reciprocal of 1938 in Base 18 Octodecimal.

Palindrome?

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

The number 5hc18 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 nine hundred and thirty-eight is a composite number with 16 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

One thousand nine hundred and thirty-eight 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 one thousand nine hundred and thirty-eight has the following 4 prime factors:

2
218
Two in Base 18 Octodecimal
3
318
Three in Base 18 Octodecimal
17
h18
Seventeen in Base 18 Octodecimal
19
1118
Nineteen 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 · h181 · 11181 = 5hc18

Base Conversions

The number one thousand nine hundred and thirty-eight in 35 different bases