The Number

21219

Twenty-One Thousand Two Hundred and Nineteen

In Base 19 Nonadecimal Is

31ef19

The numbers with a 19 subscript use Base 19 Nonadecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21216
31ec19
Twenty-One Thousand Two Hundred and Sixteen in Base 19 Nonadecimal
21217
31ed19
Twenty-One Thousand Two Hundred and Seventeen in Base 19 Nonadecimal
21218
31ee19
Twenty-One Thousand Two Hundred and Eightteen in Base 19 Nonadecimal
21220
31eg19
Twenty-One Thousand Two Hundred and Twenty in Base 19 Nonadecimal
21221
31eh19
Twenty-One Thousand Two Hundred and Twenty-One in Base 19 Nonadecimal
21222
31ei19
Twenty-One Thousand Two Hundred and Twenty-Two in Base 19 Nonadecimal

Scientific Notation

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

2.1219e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00062d3028ga7hih19

The reciprocal of 21219 in Base 19 Nonadecimal.

Palindrome?

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

The number 31ef19 is not a palindrome.

Not A Prime Number

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

Twenty-one thousand two hundred and nineteen is a composite number with 8 total factors (including 1 and itself).   See primes in Base 19 Nonadecimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand two hundred and nineteen is a composite number with 8 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 twenty-one thousand two hundred and nineteen has the following 3 prime factors:

3
319
Three in Base 19 Nonadecimal
11
b19
Eleven in Base 19 Nonadecimal
643
1eg19
Six Hundred and Forty-Three in Base 19 Nonadecimal

Prime Factorization

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

3191 · b191 · 1eg191 = 31ef19

Base Conversions

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