The Number

129

One Hundred and Twenty-Nine

In Base 11 Undecimal Is

10811

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

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

Nearby Numbers

Positive, nonzero integers within three units

126
10511
One Hundred and Twenty-Six in Base 11 Undecimal
127
10611
One Hundred and Twenty-Seven in Base 11 Undecimal
128
10711
One Hundred and Twenty-Eight in Base 11 Undecimal
130
10911
One Hundred and Thirty in Base 11 Undecimal
131
10a11
One Hundred and Thirty-One in Base 11 Undecimal
132
11011
One Hundred and Thirty-Two in Base 11 Undecimal

Scientific Notation

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

1.29e2

Reciprocal

A number multiplied with its reciprocal is one.

0.00a3550382a91400a611

The reciprocal of 129 in Base 11 Undecimal.

Palindrome?

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

The number 10811 is not a palindrome.

Not A Prime Number

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

One hundred and twenty-nine 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.

One hundred and twenty-nine 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 one hundred and twenty-nine has the following 2 prime factors:

3
311
Three in Base 11 Undecimal
43
3a11
Forty-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

3111 · 3a111 = 10811

Base Conversions

The number one hundred and twenty-nine in 35 different bases