The Number

21215

Twenty-One Thousand Two Hundred and Fifteen

In Base 11 Undecimal Is

14a3711

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

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

Nearby Numbers

Positive, nonzero integers within three units

21212
14a3411
Twenty-One Thousand Two Hundred and Twelve in Base 11 Undecimal
21213
14a3511
Twenty-One Thousand Two Hundred and Thirteen in Base 11 Undecimal
21214
14a3611
Twenty-One Thousand Two Hundred and Fourteen in Base 11 Undecimal
21216
14a3811
Twenty-One Thousand Two Hundred and Sixteen in Base 11 Undecimal
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

Scientific Notation

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

2.1215e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000076561341894363411

The reciprocal of 21215 in Base 11 Undecimal.

Palindrome?

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

The number 14a3711 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 fifteen is a composite number with 4 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 fifteen 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 twenty-one thousand two hundred and fifteen has the following 2 prime factors:

5
511
Five in Base 11 Undecimal
4243
320811
Four Thousand Two Hundred and Forty-Three in Base 11 Undecimal

Prime Factorization

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

5111 · 3208111 = 14a3711

Base Conversions

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