The Number

21407

Twenty-One Thousand Four Hundred and Seven

In Base 20 Vigesimal Is

2da720

The numbers with a 20 subscript use Base 20 Vigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21404
2da420
Twenty-One Thousand Four Hundred and Four in Base 20 Vigesimal
21405
2da520
Twenty-One Thousand Four Hundred and Five in Base 20 Vigesimal
21406
2da620
Twenty-One Thousand Four Hundred and Six in Base 20 Vigesimal
21408
2da820
Twenty-One Thousand Four Hundred and Eight in Base 20 Vigesimal
21409
2da920
Twenty-One Thousand Four Hundred and Nine in Base 20 Vigesimal
21410
2daa20
Twenty-One Thousand Four Hundred and Ten in Base 20 Vigesimal

Scientific Notation

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

2.1407e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000799daa3h388320

The reciprocal of 21407 in Base 20 Vigesimal.

Palindrome?

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

The number 2da720 is not a palindrome.

A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Twenty-one thousand four hundred and seven is the 2404th prime number.   See primes in Base 20 Vigesimal

Not A Composite

Composites have more than just these two factors.

Twenty-One Thousand Four Hundred and Seven is not a composite number because it has exactly two factors: One and Twenty-One Thousand Four Hundred and Seven

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 seven has the following 1 prime factor:

21407
2da720
Twenty-One Thousand Four Hundred and Seven in Base 20 Vigesimal

Prime Factorization

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

2da7201 = 2da720

Base Conversions

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