The Number

142285

One Hundred and Forty-Two Thousand Two Hundred and Eighty-Five

In Base 21 Unovigesimal Is

f7da21

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

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

Nearby Numbers

Positive, nonzero integers within three units

142282
f7d721
One Hundred and Forty-Two Thousand Two Hundred and Eighty-Two in Base 21 Unovigesimal
142283
f7d821
One Hundred and Forty-Two Thousand Two Hundred and Eighty-Three in Base 21 Unovigesimal
142284
f7d921
One Hundred and Forty-Two Thousand Two Hundred and Eighty-Four in Base 21 Unovigesimal
142286
f7db21
One Hundred and Forty-Two Thousand Two Hundred and Eighty-Six in Base 21 Unovigesimal
142287
f7dc21
One Hundred and Forty-Two Thousand Two Hundred and Eighty-Seven in Base 21 Unovigesimal
142288
f7dd21
One Hundred and Forty-Two Thousand Two Hundred and Eighty-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.

1.42285e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00017eg6dadie2k421

The reciprocal of 142285 in Base 21 Unovigesimal.

Palindrome?

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

The number f7da21 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 two hundred and eighty-five 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 forty-two thousand two hundred and eighty-five 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 forty-two thousand two hundred and eighty-five has the following 4 prime factors:

5
521
Five in Base 21 Unovigesimal
11
b21
Eleven in Base 21 Unovigesimal
13
d21
Thirteen in Base 21 Unovigesimal
199
9a21
One Hundred and Ninety-Nine 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 · b211 · d211 · 9a211 = f7da21

Base Conversions

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