The Number

166542

One Hundred and Sixty-Six Thousand Five Hundred and Forty-Two

In Base 21 Unovigesimal Is

hkdc21

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

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

Nearby Numbers

Positive, nonzero integers within three units

166539
hkd921
One Hundred and Sixty-Six Thousand Five Hundred and Thirty-Nine in Base 21 Unovigesimal
166540
hkda21
One Hundred and Sixty-Six Thousand Five Hundred and Forty in Base 21 Unovigesimal
166541
hkdb21
One Hundred and Sixty-Six Thousand Five Hundred and Forty-One in Base 21 Unovigesimal
166543
hkdd21
One Hundred and Sixty-Six Thousand Five Hundred and Forty-Three in Base 21 Unovigesimal
166544
hkde21
One Hundred and Sixty-Six Thousand Five Hundred and Forty-Four in Base 21 Unovigesimal
166545
hkdf21
One Hundred and Sixty-Six Thousand Five Hundred and Forty-Five in Base 21 Unovigesimal

Scientific Notation

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

1.66542e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00013akd0e497e0e21

The reciprocal of 166542 in Base 21 Unovigesimal.

Palindrome?

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

The number hkdc21 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 sixty-six thousand five hundred and forty-two is a composite number with 16 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

One hundred and sixty-six thousand five hundred and forty-two 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 sixty-six thousand five hundred and forty-two has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
41
1k21
Forty-One in Base 21 Unovigesimal
677
1b521
Six Hundred and Seventy-Seven in Base 21 Unovigesimal

Prime Factorization

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

2211 · 3211 · 1k211 · 1b5211 = hkdc21

Base Conversions

The number one hundred and sixty-six thousand five hundred and forty-two in 35 different bases