The Number

21010

Twenty-One Thousand and Ten

In Base 11 Undecimal Is

1487011

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

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

Nearby Numbers

Positive, nonzero integers within three units

21007
1486811
Twenty-One Thousand and Seven in Base 11 Undecimal
21008
1486911
Twenty-One Thousand and Eight in Base 11 Undecimal
21009
1486a11
Twenty-One Thousand and Nine in Base 11 Undecimal
21011
1487111
Twenty-One Thousand and Eleven in Base 11 Undecimal
21012
1487211
Twenty-One Thousand and Twelve in Base 11 Undecimal
21013
1487311
Twenty-One Thousand and Thirteen in Base 11 Undecimal

Scientific Notation

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

2.1010e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00007735786501a66a111

The reciprocal of 21010 in Base 11 Undecimal.

Palindrome?

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

The number 1487011 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 and ten is a composite number with 16 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 and ten is a composite number with 16 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 and ten has the following 4 prime factors:

2
211
Two in Base 11 Undecimal
5
511
Five in Base 11 Undecimal
11
1011
Eleven in Base 11 Undecimal
191
16411
One Hundred and Ninety-One in Base 11 Undecimal

Prime Factorization

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

2111 · 5111 · 10111 · 164111 = 1487011

Base Conversions

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