The Number

121991

One Hundred and Twenty-One Thousand Nine Hundred and Ninety-One

In Base 5 Quinary Is

124004315

The numbers with a 5 subscript use Base 5 Quinary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

121988
124004235
One Hundred and Twenty-One Thousand Nine Hundred and Eighty-Eight in Base 5 Quinary
121989
124004245
One Hundred and Twenty-One Thousand Nine Hundred and Eighty-Nine in Base 5 Quinary
121990
124004305
One Hundred and Twenty-One Thousand Nine Hundred and Ninety in Base 5 Quinary
121992
124004325
One Hundred and Twenty-One Thousand Nine Hundred and Ninety-Two in Base 5 Quinary
121993
124004335
One Hundred and Twenty-One Thousand Nine Hundred and Ninety-Three in Base 5 Quinary
121994
124004345
One Hundred and Twenty-One Thousand Nine Hundred and Ninety-Four in Base 5 Quinary

Scientific Notation

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

1.21991e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000000031001122232100020102315

The reciprocal of 121991 in Base 5 Quinary.

Palindrome?

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

The number 124004315 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 ninety-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 5 Quinary

A Composite

Composites have more than just these two factors.

One hundred and twenty-one thousand nine hundred and ninety-one is a composite number with 4 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 ninety-one has the following 2 prime factors:

43
1335
Forty-Three in Base 5 Quinary
2837
423225
Two Thousand Eight Hundred and Thirty-Seven in Base 5 Quinary

Prime Factorization

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

13351 · 4232251 = 124004315

Base Conversions

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