The Number

128220

One Hundred and Twenty-Eight Thousand Two Hundred and Twenty

In Base 21 Unovigesimal Is

dhff21

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

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

Nearby Numbers

Positive, nonzero integers within three units

128217
dhfc21
One Hundred and Twenty-Eight Thousand Two Hundred and Seventeen in Base 21 Unovigesimal
128218
dhfd21
One Hundred and Twenty-Eight Thousand Two Hundred and Eightteen in Base 21 Unovigesimal
128219
dhfe21
One Hundred and Twenty-Eight Thousand Two Hundred and Nineteen in Base 21 Unovigesimal
128221
dhfg21
One Hundred and Twenty-Eight Thousand Two Hundred and Twenty-One in Base 21 Unovigesimal
128222
dhfh21
One Hundred and Twenty-Eight Thousand Two Hundred and Twenty-Two in Base 21 Unovigesimal
128223
dhfi21
One Hundred and Twenty-Eight Thousand Two 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.

1.28220e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001ahii1g8j0gge21

The reciprocal of 128220 in Base 21 Unovigesimal.

Palindrome?

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

The number dhff21 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 twenty-eight thousand two 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 twenty-eight thousand two 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 twenty-eight thousand two hundred and twenty has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
2137
4hg21
Two Thousand One Hundred and Thirty-Seven 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 · 3211 · 5211 · 4hg211 = dhff21

Base Conversions

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