The Number

81008

Eighty-One Thousand and Eight

In Base 5 Quinary Is

100430135

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

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

Nearby Numbers

Positive, nonzero integers within three units

81005
100430105
Eighty-One Thousand and Five in Base 5 Quinary
81006
100430115
Eighty-One Thousand and Six in Base 5 Quinary
81007
100430125
Eighty-One Thousand and Seven 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
81011
100430215
Eighty-One Thousand and Eleven in Base 5 Quinary

Scientific Notation

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

8.1008e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000000044023343002013311414235

The reciprocal of 81008 in Base 5 Quinary.

Palindrome?

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

The number 100430135 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 eight is a composite number with 20 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 eight is a composite number with 20 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 eight has the following 3 prime factors:

2
25
Two in Base 5 Quinary
61
2215
Sixty-One in Base 5 Quinary
83
3135
Eighty-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

254 · 22151 · 31351 = 100430135

Base Conversions

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