The Number

42947

Forty-Two Thousand Nine Hundred and Forty-Seven

In Base 21 Unovigesimal Is

4d8221

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

42944
4d7k21
Forty-Two Thousand Nine Hundred and Forty-Four in Base 21 Unovigesimal
42945
4d8021
Forty-Two Thousand Nine Hundred and Forty-Five in Base 21 Unovigesimal
42946
4d8121
Forty-Two Thousand Nine Hundred and Forty-Six in Base 21 Unovigesimal
42948
4d8321
Forty-Two Thousand Nine Hundred and Forty-Eight in Base 21 Unovigesimal
42949
4d8421
Forty-Two Thousand Nine Hundred and Forty-Nine in Base 21 Unovigesimal
42950
4d8521
Forty-Two Thousand Nine Hundred and Fifty in Base 21 Unovigesimal

Scientific Notation

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

4.2947e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0004b209i96dbaj21

The reciprocal of 42947 in Base 21 Unovigesimal.

Palindrome?

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

The number 4d8221 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 forty-seven is a composite number with 4 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

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

67
3421
Sixty-Seven in Base 21 Unovigesimal
641
19b21
Six Hundred and Forty-One in Base 21 Unovigesimal

Prime Factorization

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

34211 · 19b211 = 4d8221

Base Conversions

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