The Number

121945

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

Nearby Numbers

Positive, nonzero integers within three units

121942
One Hundred and Twenty-One Thousand Nine Hundred and Forty-Two
121943
One Hundred and Twenty-One Thousand Nine Hundred and Forty-Three
121944
One Hundred and Twenty-One Thousand Nine Hundred and Forty-Four
121946
One Hundred and Twenty-One Thousand Nine Hundred and Forty-Six
121947
One Hundred and Twenty-One Thousand Nine Hundred and Forty-Seven
121948
One Hundred and Twenty-One Thousand Nine Hundred and Forty-Eight

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.

0.000008200418221329289

The reciprocal of 121945.

Palindrome?

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

The number 121945 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 10 Decimal

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
Five
29
Twenty-Nine

Prime Factorization

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

51 · 293 = 121945

Base Conversions

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