The Number

191221

One Hundred and Ninety-One Thousand Two Hundred and Twenty-One

In Base 20 Vigesimal Is

13i1120

The numbers with a 20 subscript use Base 20 Vigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

191218
13i0i20
One Hundred and Ninety-One Thousand Two Hundred and Eightteen in Base 20 Vigesimal
191219
13i0j20
One Hundred and Ninety-One Thousand Two Hundred and Nineteen in Base 20 Vigesimal
191220
13i1020
One Hundred and Ninety-One Thousand Two Hundred and Twenty in Base 20 Vigesimal
191222
13i1220
One Hundred and Ninety-One Thousand Two Hundred and Twenty-Two in Base 20 Vigesimal
191223
13i1320
One Hundred and Ninety-One Thousand Two Hundred and Twenty-Three in Base 20 Vigesimal
191224
13i1420
One Hundred and Ninety-One Thousand Two Hundred and Twenty-Four in Base 20 Vigesimal

Scientific Notation

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

1.91221e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000gedga3f0d8g20

The reciprocal of 191221 in Base 20 Vigesimal.

Palindrome?

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

The number 13i1120 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 ninety-one thousand two hundred and twenty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 20 Vigesimal

A Composite

Composites have more than just these two factors.

One hundred and ninety-one thousand two hundred and twenty-one is a composite number with 4 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 ninety-one thousand two hundred and twenty-one has the following 2 prime factors:

43
2320
Forty-Three in Base 20 Vigesimal
4447
b2720
Four Thousand Four Hundred and Forty-Seven in Base 20 Vigesimal

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

23201 · b27201 = 13i1120

Base Conversions

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