The Number

87123

Eighty-Seven Thousand One Hundred and Twenty-Three

In Base 11 Undecimal Is

5a50311

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

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

Nearby Numbers

Positive, nonzero integers within three units

87120
5a50011
Eighty-Seven Thousand One Hundred and Twenty in Base 11 Undecimal
87121
5a50111
Eighty-Seven Thousand One Hundred and Twenty-One in Base 11 Undecimal
87122
5a50211
Eighty-Seven Thousand One Hundred and Twenty-Two in Base 11 Undecimal
87124
5a50411
Eighty-Seven Thousand One Hundred and Twenty-Four in Base 11 Undecimal
87125
5a50511
Eighty-Seven Thousand One Hundred and Twenty-Five in Base 11 Undecimal
87126
5a50611
Eighty-Seven Thousand One Hundred and Twenty-Six in Base 11 Undecimal

Scientific Notation

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

8.7123e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000193746464137348a11

The reciprocal of 87123 in Base 11 Undecimal.

Palindrome?

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

The number 5a50311 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Eighty-seven thousand one hundred and twenty-three is a composite number with 8 total factors (including 1 and itself).   See primes in Base 11 Undecimal

A Composite

Composites have more than just these two factors.

Eighty-seven thousand one hundred and twenty-three 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-seven thousand one hundred and twenty-three has the following 3 prime factors:

3
311
Three in Base 11 Undecimal
113
a311
One Hundred and Thirteen in Base 11 Undecimal
257
21411
Two Hundred and Fifty-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

3111 · a3111 · 214111 = 5a50311

Base Conversions

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