The Number

121945

One Hundred and Twenty-One Thousand Nine Hundred and Forty-Five

In Base 21 Unovigesimal Is

d3aj21

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

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

Nearby Numbers

Positive, nonzero integers within three units

121942
d3ag21
One Hundred and Twenty-One Thousand Nine Hundred and Forty-Two in Base 21 Unovigesimal
121943
d3ah21
One Hundred and Twenty-One Thousand Nine Hundred and Forty-Three in Base 21 Unovigesimal
121944
d3ai21
One Hundred and Twenty-One Thousand Nine Hundred and Forty-Four in Base 21 Unovigesimal
121946
d3ak21
One Hundred and Twenty-One Thousand Nine Hundred and Forty-Six in Base 21 Unovigesimal
121947
d3b021
One Hundred and Twenty-One Thousand Nine Hundred and Forty-Seven in Base 21 Unovigesimal
121948
d3b121
One Hundred and Twenty-One Thousand Nine Hundred and Forty-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.

1.21945e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001ca6e5bik6jdg21

The reciprocal of 121945 in Base 21 Unovigesimal.

Palindrome?

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

The number d3aj21 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 nine hundred and forty-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 nine hundred and forty-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 nine hundred and forty-five has the following 2 prime factors:

5
521
Five in Base 21 Unovigesimal
29
1821
Twenty-Nine 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 · 18213 = d3aj21

Base Conversions

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