The Number

20121

Twenty Thousand One Hundred and Twenty-One

In Base 11 Undecimal Is

1413211

The numbers with a 11 subscript use Base 11 Undecimal 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
1412a11
Twenty Thousand One Hundred and Eightteen in Base 11 Undecimal
20119
1413011
Twenty Thousand One Hundred and Nineteen in Base 11 Undecimal
20120
1413111
Twenty Thousand One Hundred and Twenty in Base 11 Undecimal
20122
1413311
Twenty Thousand One Hundred and Twenty-Two in Base 11 Undecimal
20123
1413411
Twenty Thousand One Hundred and Twenty-Three in Base 11 Undecimal
20124
1413511
Twenty Thousand One Hundred and Twenty-Four in Base 11 Undecimal

Scientific Notation

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

2.0121e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000080055438478465611

The reciprocal of 20121 in Base 11 Undecimal.

Palindrome?

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

The number 1413211 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 11 Undecimal

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
311
Three in Base 11 Undecimal
19
1811
Nineteen in Base 11 Undecimal
353
2a111
Three Hundred and Fifty-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

3111 · 18111 · 2a1111 = 1413211

Base Conversions

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