The Number

81007

Eighty-One Thousand and Seven

In Base 13 Tridecimal Is

2ab4413

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

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

Nearby Numbers

Positive, nonzero integers within three units

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
81008
2ab4513
Eighty-One Thousand and Eight in Base 13 Tridecimal
81009
2ab4613
Eighty-One Thousand and Nine in Base 13 Tridecimal
81010
2ab4713
Eighty-One Thousand and Ten in Base 13 Tridecimal

Scientific Notation

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

8.1007e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00004777b580913c1213

The reciprocal of 81007 in Base 13 Tridecimal.

Palindrome?

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

The number 2ab4413 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 seven 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.

Eighty-one thousand and seven 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 eighty-one thousand and seven has the following 2 prime factors:

59
4713
Fifty-Nine in Base 13 Tridecimal
1373
81813
One Thousand Three Hundred and Seventy-Three in Base 13 Tridecimal

Prime Factorization

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

47131 · 818131 = 2ab4413

Base Conversions

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