The Number

81769

Eighty-One Thousand Seven Hundred and Sixty-Nine

In Base 13 Tridecimal Is

2b2ac13

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

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

Nearby Numbers

Positive, nonzero integers within three units

81766
2b2a913
Eighty-One Thousand Seven Hundred and Sixty-Six in Base 13 Tridecimal
81767
2b2aa13
Eighty-One Thousand Seven Hundred and Sixty-Seven in Base 13 Tridecimal
81768
2b2ab13
Eighty-One Thousand Seven Hundred and Sixty-Eight in Base 13 Tridecimal
81770
2b2b013
Eighty-One Thousand Seven Hundred and Seventy in Base 13 Tridecimal
81771
2b2b113
Eighty-One Thousand Seven Hundred and Seventy-One in Base 13 Tridecimal
81772
2b2b213
Eighty-One Thousand Seven Hundred and Seventy-Two in Base 13 Tridecimal

Scientific Notation

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

8.1769e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000470506748c955913

The reciprocal of 81769 in Base 13 Tridecimal.

Palindrome?

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

The number 2b2ac13 is not a palindrome.

A Prime Number

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

Eighty-one thousand seven hundred and sixty-nine is the 7998th prime number.   See primes in Base 13 Tridecimal

Not A Composite

Composites have more than just these two factors.

Eighty-One Thousand Seven Hundred and Sixty-Nine is not a composite number because it has exactly two factors: One and Eighty-One Thousand Seven Hundred and Sixty-Nine

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 seven hundred and sixty-nine has the following 1 prime factor:

81769
2b2ac13
Eighty-One Thousand Seven Hundred and Sixty-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

2b2ac131 = 2b2ac13

Base Conversions

The number eighty-one thousand seven hundred and sixty-nine in 35 different bases