The Number

81012

Eighty-One Thousand and Twelve

In Base 5 Quinary Is

100430225

The numbers with a 5 subscript use Base 5 Quinary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

81009
100430145
Eighty-One Thousand and Nine in Base 5 Quinary
81010
100430205
Eighty-One Thousand and Ten in Base 5 Quinary
81011
100430215
Eighty-One Thousand and Eleven in Base 5 Quinary
81013
100430235
Eighty-One Thousand and Thirteen in Base 5 Quinary
81014
100430245
Eighty-One Thousand and Fourteen in Base 5 Quinary
81015
100430305
Eighty-One Thousand and Fifteen in Base 5 Quinary

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.

0.000000044023304201440141241425

The reciprocal of 81012 in Base 5 Quinary.

Palindrome?

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

The number 100430225 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 5 Quinary

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
25
Two in Base 5 Quinary
3
35
Three in Base 5 Quinary
43
1335
Forty-Three in Base 5 Quinary
157
11125
One Hundred and Fifty-Seven in Base 5 Quinary

Prime Factorization

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

252 · 351 · 13351 · 111251 = 100430225

Base Conversions

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