The Number

121205

One Hundred and Twenty-One Thousand Two Hundred and Five

In Base 21 Unovigesimal Is

d1he21

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

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

Nearby Numbers

Positive, nonzero integers within three units

121202
d1hb21
One Hundred and Twenty-One Thousand Two Hundred and Two in Base 21 Unovigesimal
121203
d1hc21
One Hundred and Twenty-One Thousand Two Hundred and Three in Base 21 Unovigesimal
121204
d1hd21
One Hundred and Twenty-One Thousand Two Hundred and Four in Base 21 Unovigesimal
121206
d1hf21
One Hundred and Twenty-One Thousand Two Hundred and Six in Base 21 Unovigesimal
121207
d1hg21
One Hundred and Twenty-One Thousand Two Hundred and Seven in Base 21 Unovigesimal
121208
d1hh21
One Hundred and Twenty-One Thousand Two Hundred and 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.

1.21205e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001cechj81c151321

The reciprocal of 121205 in Base 21 Unovigesimal.

Palindrome?

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

The number d1he21 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 two hundred and five is a composite number with 8 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 two hundred and five 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 one hundred and twenty-one thousand two hundred and five has the following 3 prime factors:

5
521
Five in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
3463
7hj21
Three Thousand Four Hundred and Sixty-Three 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 · 7hj211 = d1he21

Base Conversions

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