The Number

121987

One Hundred and Twenty-One Thousand Nine Hundred and Eighty-Seven

In Base 31 Untrigesimal Is

42t231

The numbers with a 31 subscript use Base 31 Untrigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

121984
42su31
One Hundred and Twenty-One Thousand Nine Hundred and Eighty-Four in Base 31 Untrigesimal
121985
42t031
One Hundred and Twenty-One Thousand Nine Hundred and Eighty-Five in Base 31 Untrigesimal
121986
42t131
One Hundred and Twenty-One Thousand Nine Hundred and Eighty-Six in Base 31 Untrigesimal
121988
42t331
One Hundred and Twenty-One Thousand Nine Hundred and Eighty-Eight in Base 31 Untrigesimal
121989
42t431
One Hundred and Twenty-One Thousand Nine Hundred and Eighty-Nine in Base 31 Untrigesimal
121990
42t531
One Hundred and Twenty-One Thousand Nine Hundred and Ninety in Base 31 Untrigesimal

Scientific Notation

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

1.21987e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0007hlc84paa8331

The reciprocal of 121987 in Base 31 Untrigesimal.

Palindrome?

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

The number 42t231 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 eighty-seven is a composite number with 4 total factors (including 1 and itself).   See primes in Base 31 Untrigesimal

A Composite

Composites have more than just these two factors.

One hundred and twenty-one thousand nine hundred and eighty-seven 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 eighty-seven has the following 2 prime factors:

199
6d31
One Hundred and Ninety-Nine in Base 31 Untrigesimal
613
jo31
Six Hundred and Thirteen in Base 31 Untrigesimal

Prime Factorization

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

6d311 · jo311 = 42t231

Base Conversions

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