The Number

121805

One Hundred and Twenty-One Thousand Eight Hundred and Five

In Base 31 Untrigesimal Is

42n631

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

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

Nearby Numbers

Positive, nonzero integers within three units

121802
42n331
One Hundred and Twenty-One Thousand Eight Hundred and Two in Base 31 Untrigesimal
121803
42n431
One Hundred and Twenty-One Thousand Eight Hundred and Three in Base 31 Untrigesimal
121804
42n531
One Hundred and Twenty-One Thousand Eight Hundred and Four in Base 31 Untrigesimal
121806
42n731
One Hundred and Twenty-One Thousand Eight Hundred and Six in Base 31 Untrigesimal
121807
42n831
One Hundred and Twenty-One Thousand Eight Hundred and Seven in Base 31 Untrigesimal
121808
42n931
One Hundred and Twenty-One Thousand Eight Hundred and Eight in Base 31 Untrigesimal

Scientific Notation

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

1.21805e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0007i1880q8lg231

The reciprocal of 121805 in Base 31 Untrigesimal.

Palindrome?

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

The number 42n631 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 eight hundred and five 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 eight hundred and 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 eight hundred and five has the following 3 prime factors:

5
531
Five in Base 31 Untrigesimal
17
h31
Seventeen in Base 31 Untrigesimal
1433
1f731
One Thousand Four 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

5311 · h311 · 1f7311 = 42n631

Base Conversions

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