The Number
21420
Twenty-One Thousand Four Hundred and Twenty
In Base 13 Tridecimal Is
999913
The numbers with a 13 subscript use Base 13 Tridecimal notation.
For more familiar numbers: See Twenty-One Thousand Four Hundred and Twenty in Base 10 Decimal
Nearby Numbers
Positive, nonzero integers within three units
Scientific Notation
Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.
2.1420e4
Reciprocal
A number multiplied with its reciprocal is one.
0.00014445888a00014413
The reciprocal of 21420 in Base 13 Tridecimal.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 999913 is 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 twenty is a composite number with 72 total factors (including 1 and itself). See primes in Base 13 Tridecimal
A Composite
Composites have more than just these two factors.
Twenty-one thousand four hundred and twenty is a composite number with 72 total factors (including 1 and itself).
Prime Factors
The number twenty-one thousand four hundred and twenty has the following 5 prime factors:
Prime Factorization
The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities
2132
·
3132
·
5131
·
7131
·
14131
= 999913
Base Conversions
The number twenty-one thousand four hundred and twenty in 35 different bases