The Number

42991

Forty-Two Thousand Nine Hundred and Ninety-One

In Base 19 Nonadecimal Is

651d19

The numbers with a 19 subscript use Base 19 Nonadecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

42988
651a19
Forty-Two Thousand Nine Hundred and Eighty-Eight in Base 19 Nonadecimal
42989
651b19
Forty-Two Thousand Nine Hundred and Eighty-Nine in Base 19 Nonadecimal
42990
651c19
Forty-Two Thousand Nine Hundred and Ninety in Base 19 Nonadecimal
42992
651e19
Forty-Two Thousand Nine Hundred and Ninety-Two in Base 19 Nonadecimal
42993
651f19
Forty-Two Thousand Nine Hundred and Ninety-Three in Base 19 Nonadecimal
42994
651g19
Forty-Two Thousand Nine Hundred and Ninety-Four in Base 19 Nonadecimal

Scientific Notation

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

4.2991e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00030b61517h083d19

The reciprocal of 42991 in Base 19 Nonadecimal.

Palindrome?

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

The number 651d19 is not a palindrome.

Not A Prime Number

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

Forty-two thousand nine hundred and ninety-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 19 Nonadecimal

A Composite

Composites have more than just these two factors.

Forty-two thousand nine hundred and ninety-one 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 forty-two thousand nine hundred and ninety-one has the following 2 prime factors:

13
d19
Thirteen in Base 19 Nonadecimal
3307
93119
Three Thousand Three Hundred and Seven in Base 19 Nonadecimal

Prime Factorization

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

d191 · 931191 = 651d19

Base Conversions

The number forty-two thousand nine hundred and ninety-one in 35 different bases