The Number

42549

Forty-Two Thousand Five Hundred and Forty-Nine

In Base 21 Unovigesimal Is

4ca321

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

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

Nearby Numbers

Positive, nonzero integers within three units

42546
4ca021
Forty-Two Thousand Five Hundred and Forty-Six in Base 21 Unovigesimal
42547
4ca121
Forty-Two Thousand Five Hundred and Forty-Seven in Base 21 Unovigesimal
42548
4ca221
Forty-Two Thousand Five Hundred and Forty-Eight in Base 21 Unovigesimal
42550
4ca421
Forty-Two Thousand Five Hundred and Fifty in Base 21 Unovigesimal
42551
4ca521
Forty-Two Thousand Five Hundred and Fifty-One in Base 21 Unovigesimal
42552
4ca621
Forty-Two Thousand Five Hundred and Fifty-Two in Base 21 Unovigesimal

Scientific Notation

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

4.2549e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0004bkeffhb9d6421

The reciprocal of 42549 in Base 21 Unovigesimal.

Palindrome?

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

The number 4ca321 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 five hundred and forty-nine is a composite number with 8 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 five hundred and forty-nine 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 forty-two thousand five hundred and forty-nine has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
13
d21
Thirteen in Base 21 Unovigesimal
1091
29k21
One Thousand and Ninety-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

3211 · d211 · 29k211 = 4ca321

Base Conversions

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