The Number

81011

Eighty-One Thousand and Eleven

In Base 5 Quinary Is

100430215

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

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

Nearby Numbers

Positive, nonzero integers within three units

81008
100430135
Eighty-One Thousand and Eight in Base 5 Quinary
81009
100430145
Eighty-One Thousand and Nine in Base 5 Quinary
81010
100430205
Eighty-One Thousand and Ten in Base 5 Quinary
81012
100430225
Eighty-One Thousand and Twelve 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

Scientific Notation

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

8.1011e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000000440233140131021112344135

The reciprocal of 81011 in Base 5 Quinary.

Palindrome?

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

The number 100430215 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 eleven is a composite number with 8 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 eleven is a composite number with 8 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 eleven has the following 3 prime factors:

7
125
Seven in Base 5 Quinary
71
2415
Seventy-One in Base 5 Quinary
163
11235
One Hundred and Sixty-Three in Base 5 Quinary

Prime Factorization

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

1251 · 24151 · 112351 = 100430215

Base Conversions

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