The Number

21220

Twenty-One Thousand Two Hundred and Twenty

In Base 11 Undecimal Is

14a4111

The numbers with a 11 subscript use Base 11 Undecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21217
14a3911
Twenty-One Thousand Two Hundred and Seventeen in Base 11 Undecimal
21218
14a3a11
Twenty-One Thousand Two Hundred and Eightteen in Base 11 Undecimal
21219
14a4011
Twenty-One Thousand Two Hundred and Nineteen in Base 11 Undecimal
21221
14a4211
Twenty-One Thousand Two Hundred and Twenty-One in Base 11 Undecimal
21222
14a4311
Twenty-One Thousand Two Hundred and Twenty-Two in Base 11 Undecimal
21223
14a4411
Twenty-One Thousand Two Hundred and Twenty-Three in Base 11 Undecimal

Scientific Notation

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

2.1220e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000076538133554a321511

The reciprocal of 21220 in Base 11 Undecimal.

Palindrome?

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

The number 14a4111 is 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 twenty is a composite number with 12 total factors (including 1 and itself).   See primes in Base 11 Undecimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand two hundred and twenty 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 twenty-one thousand two hundred and twenty has the following 3 prime factors:

2
211
Two in Base 11 Undecimal
5
511
Five in Base 11 Undecimal
1061
88511
One Thousand and Sixty-One in Base 11 Undecimal

Prime Factorization

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

2112 · 5111 · 885111 = 14a4111

Base Conversions

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