The Number

121398

One Hundred and Twenty-One Thousand Three Hundred and Ninety-Eight

In Base 31 Untrigesimal Is

42a231

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

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

Nearby Numbers

Positive, nonzero integers within three units

121395
429u31
One Hundred and Twenty-One Thousand Three Hundred and Ninety-Five in Base 31 Untrigesimal
121396
42a031
One Hundred and Twenty-One Thousand Three Hundred and Ninety-Six in Base 31 Untrigesimal
121397
42a131
One Hundred and Twenty-One Thousand Three Hundred and Ninety-Seven in Base 31 Untrigesimal
121399
42a331
One Hundred and Twenty-One Thousand Three Hundred and Ninety-Nine in Base 31 Untrigesimal
121400
42a431
One Hundred and Twenty-One Thousand Four Hundred in Base 31 Untrigesimal
121401
42a531
One Hundred and Twenty-One Thousand Four Hundred and One in Base 31 Untrigesimal

Scientific Notation

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

1.21398e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0007iplgact2531

The reciprocal of 121398 in Base 31 Untrigesimal.

Palindrome?

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

The number 42a231 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 three hundred and ninety-eight is a composite number with 8 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 three hundred and ninety-eight 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 three hundred and ninety-eight has the following 3 prime factors:

2
231
Two in Base 31 Untrigesimal
3
331
Three in Base 31 Untrigesimal
20233
l1l31
Twenty Thousand Two Hundred and Thirty-Three in Base 31 Untrigesimal

Prime Factorization

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

2311 · 3311 · l1l311 = 42a231

Base Conversions

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