Nearby Numbers

Positive, nonzero integers within three units

21027

1488611

Twenty-One Thousand and Twenty-Seven in Base 11 Undecimal

21028

1488711

Twenty-One Thousand and Twenty-Eight in Base 11 Undecimal

21029

1488811

Twenty-One Thousand and Twenty-Nine in Base 11 Undecimal

21031

1488a11

Twenty-One Thousand and Thirty-One in Base 11 Undecimal

21032

1489011

Twenty-One Thousand and Thirty-Two in Base 11 Undecimal

21033

1489111

Twenty-One Thousand 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.

2.1030e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000077270058398a43711

The reciprocal of 21030 in Base 11 Undecimal.

Palindrome?

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

The number 1488911 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 and thirty is a composite number with 16 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 and thirty is a composite number with 16 total factors (including 1 and itself).

Prime Factors

2

211

Two in Base 11 Undecimal

3

311

Three in Base 11 Undecimal

5

511

Five in Base 11 Undecimal

701

58811

Seven Hundred and One 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 · 3111 · 5111 · 588111 = 1488911

Base Conversions

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