The Number

21025

Twenty-One Thousand and Twenty-Five

In Base 7 Septenary Is

1152047

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

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

Nearby Numbers

Positive, nonzero integers within three units

21022
1152017
Twenty-One Thousand and Twenty-Two in Base 7 Septenary
21023
1152027
Twenty-One Thousand and Twenty-Three in Base 7 Septenary
21024
1152037
Twenty-One Thousand and Twenty-Four in Base 7 Septenary
21026
1152057
Twenty-One Thousand and Twenty-Six in Base 7 Septenary
21027
1152067
Twenty-One Thousand and Twenty-Seven in Base 7 Septenary
21028
1152107
Twenty-One Thousand and Twenty-Eight in Base 7 Septenary

Scientific Notation

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

2.1025e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000054112131233316464647

The reciprocal of 21025 in Base 7 Septenary.

Palindrome?

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

The number 1152047 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 twenty-five is a composite number with 9 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 twenty-five is a composite number with 9 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 twenty-five has the following 2 prime factors:

5
57
Five in Base 7 Septenary
29
417
Twenty-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

572 · 4172 = 1152047

Base Conversions

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