The Number

121285

One Hundred and Twenty-One Thousand Two Hundred and Eighty-Five

In Base 21 Unovigesimal Is

d20a21

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 Eighty-Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

121282
d20721
One Hundred and Twenty-One Thousand Two Hundred and Eighty-Two in Base 21 Unovigesimal
121283
d20821
One Hundred and Twenty-One Thousand Two Hundred and Eighty-Three in Base 21 Unovigesimal
121284
d20921
One Hundred and Twenty-One Thousand Two Hundred and Eighty-Four in Base 21 Unovigesimal
121286
d20b21
One Hundred and Twenty-One Thousand Two Hundred and Eighty-Six in Base 21 Unovigesimal
121287
d20c21
One Hundred and Twenty-One Thousand Two Hundred and Eighty-Seven in Base 21 Unovigesimal
121288
d20d21
One Hundred and Twenty-One Thousand Two Hundred and Eighty-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.

1.21285e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001ce311i7db56c21

The reciprocal of 121285 in Base 21 Unovigesimal.

Palindrome?

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

The number d20a21 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 eighty-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 eighty-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 eighty-five has the following 3 prime factors:

5
521
Five in Base 21 Unovigesimal
127
6121
One Hundred and Twenty-Seven in Base 21 Unovigesimal
191
9221
One Hundred and Ninety-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 · 61211 · 92211 = d20a21

Base Conversions

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