The Number

21430

Twenty-One Thousand Four Hundred and Thirty

In Base 11 Undecimal Is

1511211

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

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

Nearby Numbers

Positive, nonzero integers within three units

21427
1510a11
Twenty-One Thousand Four Hundred and Twenty-Seven in Base 11 Undecimal
21428
1511011
Twenty-One Thousand Four Hundred and Twenty-Eight in Base 11 Undecimal
21429
1511111
Twenty-One Thousand Four Hundred and Twenty-Nine in Base 11 Undecimal
21431
1511311
Twenty-One Thousand Four Hundred and Thirty-One in Base 11 Undecimal
21432
1511411
Twenty-One Thousand Four Hundred and Thirty-Two in Base 11 Undecimal
21433
1511511
Twenty-One Thousand Four Hundred and Thirty-Three in Base 11 Undecimal

Scientific Notation

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

2.1430e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000075738250624228111

The reciprocal of 21430 in Base 11 Undecimal.

Palindrome?

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

The number 1511211 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 thirty is a composite number with 8 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 thirty is a composite number with 8 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 thirty has the following 3 prime factors:

2
211
Two in Base 11 Undecimal
5
511
Five in Base 11 Undecimal
2143
167911
Two Thousand One Hundred and Forty-Three 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 · 1679111 = 1511211

Base Conversions

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