Nearby Numbers

Positive, nonzero integers within three units

21028

1152107

Twenty-One Thousand and Twenty-Eight in Base 7 Septenary

21029

1152117

Twenty-One Thousand and Twenty-Nine in Base 7 Septenary

21030

1152127

Twenty-One Thousand and Thirty in Base 7 Septenary

21032

1152147

Twenty-One Thousand and Thirty-Two in Base 7 Septenary

21033

1152157

Twenty-One Thousand and Thirty-Three in Base 7 Septenary

21034

1152167

Twenty-One Thousand and Thirty-Four in Base 7 Septenary

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.

0.0000054105242435031634167

The reciprocal of 21031 in Base 7 Septenary.

Palindrome?

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

The number 1152137 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 7 Septenary

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

1152137

Twenty-One Thousand and Thirty-One in Base 7 Septenary

Prime Factorization

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

11521371 = 1152137

Base Conversions

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