The Number

81121

Eighty-One Thousand One Hundred and Twenty-One

In Base 11 Undecimal Is

55a4711

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

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

Nearby Numbers

Positive, nonzero integers within three units

81118
55a4411
Eighty-One Thousand One Hundred and Eightteen in Base 11 Undecimal
81119
55a4511
Eighty-One Thousand One Hundred and Nineteen in Base 11 Undecimal
81120
55a4611
Eighty-One Thousand One Hundred and Twenty in Base 11 Undecimal
81122
55a4811
Eighty-One Thousand One Hundred and Twenty-Two in Base 11 Undecimal
81123
55a4911
Eighty-One Thousand One Hundred and Twenty-Three in Base 11 Undecimal
81124
55a4a11
Eighty-One Thousand One Hundred and Twenty-Four in Base 11 Undecimal

Scientific Notation

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

8.1121e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00001a9250538942053711

The reciprocal of 81121 in Base 11 Undecimal.

Palindrome?

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

The number 55a4711 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 one hundred and twenty-one is a composite number with 4 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 one hundred and twenty-one is a composite number with 4 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 one hundred and twenty-one has the following 2 prime factors:

23
2111
Twenty-Three in Base 11 Undecimal
3527
271711
Three Thousand Five Hundred and Twenty-Seven in Base 11 Undecimal

Prime Factorization

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

21111 · 2717111 = 55a4711

Base Conversions

The number eighty-one thousand one hundred and twenty-one in 35 different bases