The Number

21420

Twenty-One Thousand Four Hundred and Twenty

In Base 9 Nonary Is

323409

The numbers with a 9 subscript use Base 9 Nonary 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

21417
323369
Twenty-One Thousand Four Hundred and Seventeen in Base 9 Nonary
21418
323379
Twenty-One Thousand Four Hundred and Eightteen in Base 9 Nonary
21419
323389
Twenty-One Thousand Four Hundred and Nineteen in Base 9 Nonary
21421
323419
Twenty-One Thousand Four Hundred and Twenty-One in Base 9 Nonary
21422
323429
Twenty-One Thousand Four Hundred and Twenty-Two in Base 9 Nonary
21423
323439
Twenty-One Thousand Four Hundred and Twenty-Three in Base 9 Nonary

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.

0.00002672576414213251459

The reciprocal of 21420 in Base 9 Nonary.

Palindrome?

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

The number 323409 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 twenty is a composite number with 72 total factors (including 1 and itself).   See primes in Base 9 Nonary

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 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 twenty has the following 5 prime factors:

2
29
Two in Base 9 Nonary
3
39
Three in Base 9 Nonary
5
59
Five in Base 9 Nonary
7
79
Seven in Base 9 Nonary
17
189
Seventeen in Base 9 Nonary

Prime Factorization

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

292 · 392 · 591 · 791 · 1891 = 323409

Base Conversions

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