The Number

81072

Eighty-One Thousand and Seventy-Two

In Base 11 Undecimal Is

55a0211

The numbers with a 11 subscript use Base 11 Undecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

81069
559aa11
Eighty-One Thousand and Sixty-Nine in Base 11 Undecimal
81070
55a0011
Eighty-One Thousand and Seventy in Base 11 Undecimal
81071
55a0111
Eighty-One Thousand and Seventy-One in Base 11 Undecimal
81073
55a0311
Eighty-One Thousand and Seventy-Three in Base 11 Undecimal
81074
55a0411
Eighty-One Thousand and Seventy-Four in Base 11 Undecimal
81075
55a0511
Eighty-One Thousand and Seventy-Five in Base 11 Undecimal

Scientific Notation

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

8.1072e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00001a940681017a250111

The reciprocal of 81072 in Base 11 Undecimal.

Palindrome?

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

The number 55a0211 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 seventy-two is a composite number with 30 total factors (including 1 and itself).   See primes in Base 11 Undecimal

A Composite

Composites have more than just these two factors.

Eighty-one thousand and seventy-two is a composite number with 30 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 seventy-two has the following 3 prime factors:

2
211
Two in Base 11 Undecimal
3
311
Three in Base 11 Undecimal
563
47211
Five Hundred and Sixty-Three in Base 11 Undecimal

Prime Factorization

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

2114 · 3112 · 472111 = 55a0211

Base Conversions

The number eighty-one thousand and seventy-two in 35 different bases