The Number

129861

One Hundred and Twenty-Nine Thousand Eight Hundred and Sixty-One

In Base 21 Unovigesimal Is

e09i21

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

129858
e09f21
One Hundred and Twenty-Nine Thousand Eight Hundred and Fifty-Eight in Base 21 Unovigesimal
129859
e09g21
One Hundred and Twenty-Nine Thousand Eight Hundred and Fifty-Nine in Base 21 Unovigesimal
129860
e09h21
One Hundred and Twenty-Nine Thousand Eight Hundred and Sixty in Base 21 Unovigesimal
129862
e09j21
One Hundred and Twenty-Nine Thousand Eight Hundred and Sixty-Two in Base 21 Unovigesimal
129863
e09k21
One Hundred and Twenty-Nine Thousand Eight Hundred and Sixty-Three in Base 21 Unovigesimal
129864
e0a021
One Hundred and Twenty-Nine Thousand Eight Hundred and Sixty-Four in Base 21 Unovigesimal

Scientific Notation

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

1.29861e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001a997a734cf8921

The reciprocal of 129861 in Base 21 Unovigesimal.

Palindrome?

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

The number e09i21 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 thousand eight hundred and sixty-one is a composite number with 12 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

One hundred and twenty-nine thousand eight hundred and sixty-one is a composite number with 12 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 thousand eight hundred and sixty-one has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
47
2521
Forty-Seven in Base 21 Unovigesimal
307
ed21
Three Hundred and Seven in Base 21 Unovigesimal

Prime Factorization

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

3212 · 25211 · ed211 = e09i21

Base Conversions

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