The Number

380

Three Hundred and Eighty

In Base 21 Unovigesimal Is

i221

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

For more familiar numbers: See Three Hundred and Eighty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

377
hk21
Three Hundred and Seventy-Seven in Base 21 Unovigesimal
378
i021
Three Hundred and Seventy-Eight in Base 21 Unovigesimal
379
i121
Three Hundred and Seventy-Nine in Base 21 Unovigesimal
381
i321
Three Hundred and Eighty-One in Base 21 Unovigesimal
382
i421
Three Hundred and Eighty-Two in Base 21 Unovigesimal
383
i521
Three Hundred and Eighty-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.

3.80e2

Reciprocal

A number multiplied with its reciprocal is one.

0.0137gd6e8ihfb221

The reciprocal of 380 in Base 21 Unovigesimal.

Palindrome?

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

The number i221 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Three hundred and eighty is a composite number with 12 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Three hundred and eighty is a composite number with 12 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 three hundred and eighty has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
19
j21
Nineteen 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 · j211 = i221

Base Conversions

The number three hundred and eighty in 35 different bases