Nearby Numbers

Positive, nonzero integers within three units

21028

nas30

Twenty-One Thousand and Twenty-Eight in Base 30 Trigesimal

21029

nat30

Twenty-One Thousand and Twenty-Nine in Base 30 Trigesimal

21030

nb030

Twenty-One Thousand and Thirty in Base 30 Trigesimal

21032

nb230

Twenty-One Thousand and Thirty-Two in Base 30 Trigesimal

21033

nb330

Twenty-One Thousand and Thirty-Three in Base 30 Trigesimal

21034

nb430

Twenty-One Thousand and Thirty-Four in Base 30 Trigesimal

Scientific Notation

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

2.1031e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0018fd3elf4pla30

The reciprocal of 21031 in Base 30 Trigesimal.

Palindrome?

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

The number nb130 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 and thirty-one is the 2367th prime number.   See primes in Base 30 Trigesimal

Not A Composite

Composites have more than just these two factors.

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

Prime Factors

21031

nb130

Twenty-One Thousand and Thirty-One in Base 30 Trigesimal

Prime Factorization

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

nb1301 = nb130

Base Conversions

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