The Number

1638

One Thousand Six Hundred and Thirty-Eight

In Base 22 Duovigesimal Is

38a22

The numbers with a 22 subscript use Base 22 Duovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

1635
38722
One Thousand Six Hundred and Thirty-Five in Base 22 Duovigesimal
1636
38822
One Thousand Six Hundred and Thirty-Six in Base 22 Duovigesimal
1637
38922
One Thousand Six Hundred and Thirty-Seven in Base 22 Duovigesimal
1639
38b22
One Thousand Six Hundred and Thirty-Nine in Base 22 Duovigesimal
1640
38c22
One Thousand Six Hundred and Forty in Base 22 Duovigesimal
1641
38d22
One Thousand Six Hundred and Forty-One in Base 22 Duovigesimal

Scientific Notation

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

1.638e3

Reciprocal

A number multiplied with its reciprocal is one.

0.006b06b06b06b22

The reciprocal of 1638 in Base 22 Duovigesimal.

Palindrome?

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

The number 38a22 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 six hundred and thirty-eight is a composite number with 24 total factors (including 1 and itself).   See primes in Base 22 Duovigesimal

A Composite

Composites have more than just these two factors.

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

2
222
Two in Base 22 Duovigesimal
3
322
Three in Base 22 Duovigesimal
7
722
Seven in Base 22 Duovigesimal
13
d22
Thirteen in Base 22 Duovigesimal

Prime Factorization

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

2221 · 3222 · 7221 · d221 = 38a22

Base Conversions

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