The Number

78181

Seventy-Eight Thousand One Hundred and Eighty-One

In Base 13 Tridecimal Is

2977c13

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

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

Nearby Numbers

Positive, nonzero integers within three units

78178
2977913
Seventy-Eight Thousand One Hundred and Seventy-Eight in Base 13 Tridecimal
78179
2977a13
Seventy-Eight Thousand One Hundred and Seventy-Nine in Base 13 Tridecimal
78180
2977b13
Seventy-Eight Thousand One Hundred and Eighty in Base 13 Tridecimal
78182
2978013
Seventy-Eight Thousand One Hundred and Eighty-Two in Base 13 Tridecimal
78183
2978113
Seventy-Eight Thousand One Hundred and Eighty-Three in Base 13 Tridecimal
78184
2978213
Seventy-Eight Thousand One Hundred and Eighty-Four in Base 13 Tridecimal

Scientific Notation

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

7.8181e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00004997b498a85094813

The reciprocal of 78181 in Base 13 Tridecimal.

Palindrome?

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

The number 2977c13 is not a palindrome.

Not A Prime Number

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

Seventy-eight thousand one hundred and eighty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 13 Tridecimal

A Composite

Composites have more than just these two factors.

Seventy-eight thousand one hundred and eighty-one is a composite number with 4 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 seventy-eight thousand one hundred and eighty-one has the following 2 prime factors:

37
2b13
Thirty-Seven in Base 13 Tridecimal
2113
c6713
Two Thousand One Hundred and Thirteen in Base 13 Tridecimal

Prime Factorization

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

2b131 · c67131 = 2977c13

Base Conversions

The number seventy-eight thousand one hundred and eighty-one in 35 different bases