The Number

81012

Eighty-One Thousand and Twelve

In Base 19 Nonadecimal Is

bf7f19

The numbers with a 19 subscript use Base 19 Nonadecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

81009
bf7c19
Eighty-One Thousand and Nine in Base 19 Nonadecimal
81010
bf7d19
Eighty-One Thousand and Ten in Base 19 Nonadecimal
81011
bf7e19
Eighty-One Thousand and Eleven in Base 19 Nonadecimal
81013
bf7g19
Eighty-One Thousand and Thirteen in Base 19 Nonadecimal
81014
bf7h19
Eighty-One Thousand and Fourteen in Base 19 Nonadecimal
81015
bf7i19
Eighty-One Thousand and Fifteen in Base 19 Nonadecimal

Scientific Notation

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

8.1012e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0001badfac09i12e19

The reciprocal of 81012 in Base 19 Nonadecimal.

Palindrome?

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

The number bf7f19 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 twelve is a composite number with 24 total factors (including 1 and itself).   See primes in Base 19 Nonadecimal

A Composite

Composites have more than just these two factors.

Eighty-one thousand and twelve is a composite number with 24 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 twelve has the following 4 prime factors:

2
219
Two in Base 19 Nonadecimal
3
319
Three in Base 19 Nonadecimal
43
2519
Forty-Three in Base 19 Nonadecimal
157
8519
One Hundred and Fifty-Seven in Base 19 Nonadecimal

Prime Factorization

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

2192 · 3191 · 25191 · 85191 = bf7f19

Base Conversions

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