The Number

142820

One Hundred and Forty-Two Thousand Eight Hundred and Twenty

In Base 21 Unovigesimal Is

f8hk21

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 Twenty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

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
142819
f8hj21
One Hundred and Forty-Two Thousand Eight Hundred and Nineteen in Base 21 Unovigesimal
142821
f8i021
One Hundred and Forty-Two Thousand Eight Hundred and Twenty-One in Base 21 Unovigesimal
142822
f8i121
One Hundred and Forty-Two Thousand Eight Hundred and Twenty-Two in Base 21 Unovigesimal
142823
f8i221
One Hundred and Forty-Two Thousand Eight Hundred and Twenty-Three in Base 21 Unovigesimal

Scientific Notation

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

1.42820e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00017caii62d9di621

The reciprocal of 142820 in Base 21 Unovigesimal.

Palindrome?

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

The number f8hk21 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 twenty 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 eight hundred and twenty 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 eight hundred and twenty has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
37
1g21
Thirty-Seven in Base 21 Unovigesimal
193
9421
One Hundred and Ninety-Three 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 · 5211 · 1g211 · 94211 = f8hk21

Base Conversions

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