The Number

121555

One Hundred and Twenty-One Thousand Five Hundred and Fifty-Five

In Base 21 Unovigesimal Is

d2d721

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

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

Nearby Numbers

Positive, nonzero integers within three units

121552
d2d421
One Hundred and Twenty-One Thousand Five Hundred and Fifty-Two in Base 21 Unovigesimal
121553
d2d521
One Hundred and Twenty-One Thousand Five Hundred and Fifty-Three in Base 21 Unovigesimal
121554
d2d621
One Hundred and Twenty-One Thousand Five Hundred and Fifty-Four in Base 21 Unovigesimal
121556
d2d821
One Hundred and Twenty-One Thousand Five Hundred and Fifty-Six in Base 21 Unovigesimal
121557
d2d921
One Hundred and Twenty-One Thousand Five Hundred and Fifty-Seven in Base 21 Unovigesimal
121558
d2da21
One Hundred and Twenty-One Thousand Five Hundred and Fifty-Eight in Base 21 Unovigesimal

Scientific Notation

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

1.21555e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001ccc188c2gfbe21

The reciprocal of 121555 in Base 21 Unovigesimal.

Palindrome?

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

The number d2d721 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-one thousand five hundred and fifty-five is a composite number with 16 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-one thousand five hundred and fifty-five is a composite number with 16 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-one thousand five hundred and fifty-five has the following 4 prime factors:

5
521
Five in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
23
1221
Twenty-Three in Base 21 Unovigesimal
151
7421
One Hundred and Fifty-One in Base 21 Unovigesimal

Prime Factorization

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

5211 · 7211 · 12211 · 74211 = d2d721

Base Conversions

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