The Number

142815

One Hundred and Forty-Two Thousand Eight Hundred and Fifteen

In Base 21 Unovigesimal Is

f8hf21

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

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

Nearby Numbers

Positive, nonzero integers within three units

142812
f8hc21
One Hundred and Forty-Two Thousand Eight Hundred and Twelve in Base 21 Unovigesimal
142813
f8hd21
One Hundred and Forty-Two Thousand Eight Hundred and Thirteen in Base 21 Unovigesimal
142814
f8he21
One Hundred and Forty-Two Thousand Eight Hundred and Fourteen in Base 21 Unovigesimal
142816
f8hg21
One Hundred and Forty-Two Thousand Eight Hundred and Sixteen in Base 21 Unovigesimal
142817
f8hh21
One Hundred and Forty-Two Thousand Eight Hundred and Seventeen in Base 21 Unovigesimal
142818
f8hi21
One Hundred and Forty-Two Thousand Eight Hundred and Eightteen in Base 21 Unovigesimal

Scientific Notation

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

1.42815e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00017cb72kk5h75g21

The reciprocal of 142815 in Base 21 Unovigesimal.

Palindrome?

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

The number f8hf21 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 eight hundred and fifteen 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.

One hundred and forty-two thousand eight hundred and fifteen 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 one hundred and forty-two thousand eight hundred and fifteen has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
9521
10c821
Nine Thousand Five 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

3211 · 5211 · 10c8211 = f8hf21

Base Conversions

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