The Number

81662

Eighty-One Thousand Six Hundred and Sixty-Two

In Base 13 Tridecimal Is

2b22913

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

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

Nearby Numbers

Positive, nonzero integers within three units

81659
2b22613
Eighty-One Thousand Six Hundred and Fifty-Nine in Base 13 Tridecimal
81660
2b22713
Eighty-One Thousand Six Hundred and Sixty in Base 13 Tridecimal
81661
2b22813
Eighty-One Thousand Six Hundred and Sixty-One in Base 13 Tridecimal
81663
2b22a13
Eighty-One Thousand Six Hundred and Sixty-Three in Base 13 Tridecimal
81664
2b22b13
Eighty-One Thousand Six Hundred and Sixty-Four in Base 13 Tridecimal
81665
2b22c13
Eighty-One Thousand Six Hundred and Sixty-Five in Base 13 Tridecimal

Scientific Notation

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

8.1662e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000471515829ca07313

The reciprocal of 81662 in Base 13 Tridecimal.

Palindrome?

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

The number 2b22913 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 six hundred and sixty-two is a composite number with 16 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 six hundred and sixty-two 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 eighty-one thousand six hundred and sixty-two has the following 4 prime factors:

2
213
Two in Base 13 Tridecimal
7
713
Seven in Base 13 Tridecimal
19
1613
Nineteen in Base 13 Tridecimal
307
1a813
Three Hundred and Seven 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 · 7131 · 16131 · 1a8131 = 2b22913

Base Conversions

The number eighty-one thousand six hundred and sixty-two in 35 different bases