The Number

21409

Twenty-One Thousand Four Hundred and Nine

In Base 11 Undecimal Is

150a311

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

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

Nearby Numbers

Positive, nonzero integers within three units

21406
150a011
Twenty-One Thousand Four Hundred and Six in Base 11 Undecimal
21407
150a111
Twenty-One Thousand Four Hundred and Seven in Base 11 Undecimal
21408
150a211
Twenty-One Thousand Four Hundred and Eight in Base 11 Undecimal
21410
150a411
Twenty-One Thousand Four Hundred and Ten in Base 11 Undecimal
21411
150a511
Twenty-One Thousand Four Hundred and Eleven in Base 11 Undecimal
21412
150a611
Twenty-One Thousand Four Hundred and Twelve in Base 11 Undecimal

Scientific Notation

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

2.1409e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000075826173a996a00811

The reciprocal of 21409 in Base 11 Undecimal.

Palindrome?

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

The number 150a311 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 four hundred and nine is a composite number with 4 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 four hundred and nine is a composite number with 4 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 four hundred and nine has the following 2 prime factors:

79
7211
Seventy-Nine in Base 11 Undecimal
271
22711
Two Hundred and Seventy-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

72111 · 227111 = 150a311

Base Conversions

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