The Number

20121

Twenty Thousand One Hundred and Twenty-One

In Base 15 Quindecimal Is

5e6615

The numbers with a 15 subscript use Base 15 Quindecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

20118
5e6315
Twenty Thousand One Hundred and Eightteen in Base 15 Quindecimal
20119
5e6415
Twenty Thousand One Hundred and Nineteen in Base 15 Quindecimal
20120
5e6515
Twenty Thousand One Hundred and Twenty in Base 15 Quindecimal
20122
5e6715
Twenty Thousand One Hundred and Twenty-Two in Base 15 Quindecimal
20123
5e6815
Twenty Thousand One Hundred and Twenty-Three in Base 15 Quindecimal
20124
5e6915
Twenty Thousand One Hundred and Twenty-Four in Base 15 Quindecimal

Scientific Notation

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

2.0121e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00027b18dbbb5cc5d15

The reciprocal of 20121 in Base 15 Quindecimal.

Palindrome?

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

The number 5e6615 is not a palindrome.

Not A Prime Number

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

Twenty thousand one hundred and twenty-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 15 Quindecimal

A Composite

Composites have more than just these two factors.

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

3
315
Three in Base 15 Quindecimal
19
1415
Nineteen in Base 15 Quindecimal
353
18815
Three Hundred and Fifty-Three in Base 15 Quindecimal

Prime Factorization

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

3151 · 14151 · 188151 = 5e6615

Base Conversions

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