The Number

15215

Fifteen Thousand Two Hundred and Fifteen

In Base 21 Unovigesimal Is

1dab21

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

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

Nearby Numbers

Positive, nonzero integers within three units

15212
1da821
Fifteen Thousand Two Hundred and Twelve in Base 21 Unovigesimal
15213
1da921
Fifteen Thousand Two Hundred and Thirteen in Base 21 Unovigesimal
15214
1daa21
Fifteen Thousand Two Hundred and Fourteen in Base 21 Unovigesimal
15216
1dac21
Fifteen Thousand Two Hundred and Sixteen in Base 21 Unovigesimal
15217
1dad21
Fifteen Thousand Two Hundred and Seventeen in Base 21 Unovigesimal
15218
1dae21
Fifteen Thousand Two Hundred and Eightteen in Base 21 Unovigesimal

Scientific Notation

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

1.5215e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000cg8jhh7dff0821

The reciprocal of 15215 in Base 21 Unovigesimal.

Palindrome?

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

The number 1dab21 is not a palindrome.

Not A Prime Number

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

Fifteen thousand two hundred and fifteen is a composite number with 8 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Fifteen thousand two hundred and fifteen 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 fifteen thousand two hundred and fifteen has the following 3 prime factors:

5
521
Five in Base 21 Unovigesimal
17
h21
Seventeen in Base 21 Unovigesimal
179
8b21
One Hundred and Seventy-Nine in Base 21 Unovigesimal

Prime Factorization

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

5211 · h211 · 8b211 = 1dab21

Base Conversions

The number fifteen thousand two hundred and fifteen in 35 different bases