The Number

142668

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

In Base 21 Unovigesimal Is

f8af21

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

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

Nearby Numbers

Positive, nonzero integers within three units

142665
f8ac21
One Hundred and Forty-Two Thousand Six Hundred and Sixty-Five in Base 21 Unovigesimal
142666
f8ad21
One Hundred and Forty-Two Thousand Six Hundred and Sixty-Six in Base 21 Unovigesimal
142667
f8ae21
One Hundred and Forty-Two Thousand Six Hundred and Sixty-Seven in Base 21 Unovigesimal
142669
f8ag21
One Hundred and Forty-Two Thousand Six Hundred and Sixty-Nine in Base 21 Unovigesimal
142670
f8ah21
One Hundred and Forty-Two Thousand Six Hundred and Seventy in Base 21 Unovigesimal
142671
f8ai21
One Hundred and Forty-Two Thousand Six Hundred and Seventy-One in Base 21 Unovigesimal

Scientific Notation

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

1.42668e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00017d3709jbi63a21

The reciprocal of 142668 in Base 21 Unovigesimal.

Palindrome?

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

The number f8af21 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 forty-two thousand six hundred and sixty-eight is a composite number with 24 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 forty-two thousand six hundred and sixty-eight is a composite number with 24 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 forty-two thousand six hundred and sixty-eight has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
1321
2kj21
One Thousand Three Hundred and Twenty-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

2212 · 3213 · 2kj211 = f8af21

Base Conversions

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