The Number

142805

One Hundred and Forty-Two Thousand Eight Hundred and Five

In Base 21 Unovigesimal Is

f8h521

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 Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

142802
f8h221
One Hundred and Forty-Two Thousand Eight Hundred and Two in Base 21 Unovigesimal
142803
f8h321
One Hundred and Forty-Two Thousand Eight Hundred and Three in Base 21 Unovigesimal
142804
f8h421
One Hundred and Forty-Two Thousand Eight Hundred and Four in Base 21 Unovigesimal
142806
f8h621
One Hundred and Forty-Two Thousand Eight Hundred and Six in Base 21 Unovigesimal
142807
f8h721
One Hundred and Forty-Two Thousand Eight Hundred and Seven in Base 21 Unovigesimal
142808
f8h821
One Hundred and Forty-Two Thousand Eight Hundred and Eight in Base 21 Unovigesimal

Scientific Notation

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

1.42805e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00017cc4e9ac7d8121

The reciprocal of 142805 in Base 21 Unovigesimal.

Palindrome?

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

The number f8h521 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 five is a composite number with 10 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 five is a composite number with 10 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 five has the following 2 prime factors:

5
521
Five in Base 21 Unovigesimal
13
d21
Thirteen in Base 21 Unovigesimal

Prime Factorization

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

5211 · d214 = f8h521

Base Conversions

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