The Number

20421

Twenty Thousand Four Hundred and Twenty-One

In Base 11 Undecimal Is

1438511

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

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

Nearby Numbers

Positive, nonzero integers within three units

20418
1438211
Twenty Thousand Four Hundred and Eightteen in Base 11 Undecimal
20419
1438311
Twenty Thousand Four Hundred and Nineteen in Base 11 Undecimal
20420
1438411
Twenty Thousand Four Hundred and Twenty in Base 11 Undecimal
20422
1438611
Twenty Thousand Four Hundred and Twenty-Two in Base 11 Undecimal
20423
1438711
Twenty Thousand Four Hundred and Twenty-Three in Base 11 Undecimal
20424
1438811
Twenty Thousand Four 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.

2.0421e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00007982a898843522a411

The reciprocal of 20421 in Base 11 Undecimal.

Palindrome?

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

The number 1438511 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 four hundred and twenty-one is a composite number with 6 total factors (including 1 and itself).   See primes in Base 11 Undecimal

A Composite

Composites have more than just these two factors.

Twenty thousand four hundred and twenty-one is a composite number with 6 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 four hundred and twenty-one has the following 2 prime factors:

3
311
Three in Base 11 Undecimal
2269
178311
Two Thousand Two Hundred and Sixty-Nine in Base 11 Undecimal

Prime Factorization

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

3112 · 1783111 = 1438511

Base Conversions

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