The Number

121930

One Hundred and Twenty-One Thousand Nine Hundred and Thirty

In Base 31 Untrigesimal Is

42r731

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 Thirty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

121927
42r431
One Hundred and Twenty-One Thousand Nine Hundred and Twenty-Seven in Base 31 Untrigesimal
121928
42r531
One Hundred and Twenty-One Thousand Nine Hundred and Twenty-Eight in Base 31 Untrigesimal
121929
42r631
One Hundred and Twenty-One Thousand Nine Hundred and Twenty-Nine in Base 31 Untrigesimal
121931
42r831
One Hundred and Twenty-One Thousand Nine Hundred and Thirty-One in Base 31 Untrigesimal
121932
42r931
One Hundred and Twenty-One Thousand Nine Hundred and Thirty-Two in Base 31 Untrigesimal
121933
42ra31
One Hundred and Twenty-One Thousand Nine Hundred and Thirty-Three in Base 31 Untrigesimal

Scientific Notation

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

1.21930e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0007hooljacdmm31

The reciprocal of 121930 in Base 31 Untrigesimal.

Palindrome?

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

The number 42r731 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 thirty is a composite number with 16 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 thirty is a composite number with 16 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 thirty has the following 4 prime factors:

2
231
Two in Base 31 Untrigesimal
5
531
Five in Base 31 Untrigesimal
89
2r31
Eighty-Nine in Base 31 Untrigesimal
137
4d31
One Hundred and Thirty-Seven 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 · 5311 · 2r311 · 4d311 = 42r731

Base Conversions

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