The Number

21071

Twenty-One Thousand and Seventy-One

In Base 7 Septenary Is

1153017

The numbers with a 7 subscript use Base 7 Septenary notation.

For more familiar numbers: See Twenty-One Thousand and Seventy-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

21068
1152657
Twenty-One Thousand and Sixty-Eight in Base 7 Septenary
21069
1152667
Twenty-One Thousand and Sixty-Nine in Base 7 Septenary
21070
1153007
Twenty-One Thousand and Seventy in Base 7 Septenary
21072
1153027
Twenty-One Thousand and Seventy-Two in Base 7 Septenary
21073
1153037
Twenty-One Thousand and Seventy-Three in Base 7 Septenary
21074
1153047
Twenty-One Thousand and Seventy-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.

2.1071e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000005404061002330161127

The reciprocal of 21071 in Base 7 Septenary.

Palindrome?

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

The number 1153017 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 seventy-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 7 Septenary

A Composite

Composites have more than just these two factors.

Twenty-one thousand and seventy-one is a composite number with 4 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 and seventy-one has the following 2 prime factors:

19
257
Nineteen in Base 7 Septenary
1109
31437
One Thousand One Hundred and Nine in Base 7 Septenary

Prime Factorization

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

2571 · 314371 = 1153017

Base Conversions

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