The Number

28138

Twenty-Eight Thousand One Hundred and Thirty-Eight

In Base 13 Tridecimal Is

ca6613

The numbers with a 13 subscript use Base 13 Tridecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

28135
ca6313
Twenty-Eight Thousand One Hundred and Thirty-Five in Base 13 Tridecimal
28136
ca6413
Twenty-Eight Thousand One Hundred and Thirty-Six in Base 13 Tridecimal
28137
ca6513
Twenty-Eight Thousand One Hundred and Thirty-Seven in Base 13 Tridecimal
28139
ca6713
Twenty-Eight Thousand One Hundred and Thirty-Nine in Base 13 Tridecimal
28140
ca6813
Twenty-Eight Thousand One Hundred and Forty in Base 13 Tridecimal
28141
ca6913
Twenty-Eight Thousand One Hundred and Forty-One in Base 13 Tridecimal

Scientific Notation

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

2.8138e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000102704888b05c0b13

The reciprocal of 28138 in Base 13 Tridecimal.

Palindrome?

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

The number ca6613 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Twenty-eight thousand one hundred and thirty-eight is a composite number with 8 total factors (including 1 and itself).   See primes in Base 13 Tridecimal

A Composite

Composites have more than just these two factors.

Twenty-eight thousand one hundred and thirty-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 twenty-eight thousand one hundred and thirty-eight has the following 3 prime factors:

2
213
Two in Base 13 Tridecimal
11
b13
Eleven in Base 13 Tridecimal
1279
77513
One Thousand Two Hundred and Seventy-Nine in Base 13 Tridecimal

Prime Factorization

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

2131 · b131 · 775131 = ca6613

Base Conversions

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