The Number

128240

One Hundred and Twenty-Eight Thousand Two Hundred and Forty

In Base 21 Unovigesimal Is

dhge21

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 Forty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

128237
dhgb21
One Hundred and Twenty-Eight Thousand Two Hundred and Thirty-Seven in Base 21 Unovigesimal
128238
dhgc21
One Hundred and Twenty-Eight Thousand Two Hundred and Thirty-Eight in Base 21 Unovigesimal
128239
dhgd21
One Hundred and Twenty-Eight Thousand Two Hundred and Thirty-Nine in Base 21 Unovigesimal
128241
dhgf21
One Hundred and Twenty-Eight Thousand Two Hundred and Forty-One in Base 21 Unovigesimal
128242
dhgg21
One Hundred and Twenty-Eight Thousand Two Hundred and Forty-Two in Base 21 Unovigesimal
128243
dhgh21
One Hundred and Twenty-Eight Thousand Two Hundred and Forty-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.

1.28240e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001ahge1e4bi9d721

The reciprocal of 128240 in Base 21 Unovigesimal.

Palindrome?

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

The number dhge21 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 forty is a composite number with 40 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 forty is a composite number with 40 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 forty has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
229
aj21
Two Hundred and Twenty-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

2214 · 5211 · 7211 · aj211 = dhge21

Base Conversions

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