The Number

81003

Eighty-One Thousand and Three

In Base 13 Tridecimal Is

2ab4013

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

For more familiar numbers: See Eighty-One Thousand and Three in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

81000
2ab3a13
Eighty-One Thousand in Base 13 Tridecimal
81001
2ab3b13
Eighty-One Thousand and One in Base 13 Tridecimal
81002
2ab3c13
Eighty-One Thousand and Two in Base 13 Tridecimal
81004
2ab4113
Eighty-One Thousand and Four in Base 13 Tridecimal
81005
2ab4213
Eighty-One Thousand and Five in Base 13 Tridecimal
81006
2ab4313
Eighty-One Thousand and Six in Base 13 Tridecimal

Scientific Notation

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

8.1003e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000047784b86c14057413

The reciprocal of 81003 in Base 13 Tridecimal.

Palindrome?

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

The number 2ab4013 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 and three 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 and three 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 and three has the following 4 prime factors:

3
313
Three in Base 13 Tridecimal
13
1013
Thirteen in Base 13 Tridecimal
31
2513
Thirty-One in Base 13 Tridecimal
67
5213
Sixty-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

3131 · 10131 · 25131 · 52131 = 2ab4013

Base Conversions

The number eighty-one thousand and three in 35 different bases