The Number

42187

Forty-Two Thousand One Hundred and Eighty-Seven

In Base 31 Untrigesimal Is

1crr31

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

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

Nearby Numbers

Positive, nonzero integers within three units

42184
1cro31
Forty-Two Thousand One Hundred and Eighty-Four in Base 31 Untrigesimal
42185
1crp31
Forty-Two Thousand One Hundred and Eighty-Five in Base 31 Untrigesimal
42186
1crq31
Forty-Two Thousand One Hundred and Eighty-Six in Base 31 Untrigesimal
42188
1crs31
Forty-Two Thousand One Hundred and Eighty-Eight in Base 31 Untrigesimal
42189
1crt31
Forty-Two Thousand One Hundred and Eighty-Nine in Base 31 Untrigesimal
42190
1cru31
Forty-Two Thousand One 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.

4.2187e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000lrjbi1hth131

The reciprocal of 42187 in Base 31 Untrigesimal.

Palindrome?

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

The number 1crr31 is not a palindrome.

A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Forty-two thousand one hundred and eighty-seven is the 4410th prime number.   See primes in Base 31 Untrigesimal

Not A Composite

Composites have more than just these two factors.

Forty-Two Thousand One Hundred and Eighty-Seven is not a composite number because it has exactly two factors: One and Forty-Two Thousand One Hundred and Eighty-Seven

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number forty-two thousand one hundred and eighty-seven has the following 1 prime factor:

42187
1crr31
Forty-Two Thousand One Hundred and Eighty-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

1crr311 = 1crr31

Base Conversions

The number forty-two thousand one hundred and eighty-seven in 35 different bases