The Number

81224

Eighty-One Thousand Two Hundred and Twenty-Four

In Base 13 Tridecimal Is

2ac8013

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

For more familiar numbers: See Eighty-One Thousand Two Hundred and Twenty-Four in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

81221
2ac7a13
Eighty-One Thousand Two Hundred and Twenty-One in Base 13 Tridecimal
81222
2ac7b13
Eighty-One Thousand Two Hundred and Twenty-Two in Base 13 Tridecimal
81223
2ac7c13
Eighty-One Thousand Two Hundred and Twenty-Three in Base 13 Tridecimal
81225
2ac8113
Eighty-One Thousand Two Hundred and Twenty-Five in Base 13 Tridecimal
81226
2ac8213
Eighty-One Thousand Two Hundred and Twenty-Six in Base 13 Tridecimal
81227
2ac8313
Eighty-One Thousand Two Hundred and Twenty-Seven in Base 13 Tridecimal

Scientific Notation

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

8.1224e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00004756c9040515c6513

The reciprocal of 81224 in Base 13 Tridecimal.

Palindrome?

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

The number 2ac8013 is not a palindrome.

Not A Prime Number

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

Eighty-one thousand two hundred and twenty-four is a composite number with 32 total factors (including 1 and itself).   See primes in Base 13 Tridecimal

A Composite

Composites have more than just these two factors.

Eighty-one thousand two hundred and twenty-four is a composite number with 32 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 eighty-one thousand two hundred and twenty-four has the following 4 prime factors:

2
213
Two in Base 13 Tridecimal
11
b13
Eleven in Base 13 Tridecimal
13
1013
Thirteen in Base 13 Tridecimal
71
5613
Seventy-One in Base 13 Tridecimal

Prime Factorization

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

2133 · b131 · 10131 · 56131 = 2ac8013

Base Conversions

The number eighty-one thousand two hundred and twenty-four in 35 different bases