The Number

20820

Twenty Thousand Eight Hundred and Twenty

In Base 7 Septenary Is

1144627

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

For more familiar numbers: See Twenty Thousand Eight Hundred and Twenty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

20817
1144567
Twenty Thousand Eight Hundred and Seventeen in Base 7 Septenary
20818
1144607
Twenty Thousand Eight Hundred and Eightteen in Base 7 Septenary
20819
1144617
Twenty Thousand Eight Hundred and Nineteen in Base 7 Septenary
20821
1144637
Twenty Thousand Eight Hundred and Twenty-One in Base 7 Septenary
20822
1144647
Twenty Thousand Eight Hundred and Twenty-Two in Base 7 Septenary
20823
1144657
Twenty Thousand Eight Hundred and Twenty-Three in Base 7 Septenary

Scientific Notation

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

2.0820e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00000543613315565256337

The reciprocal of 20820 in Base 7 Septenary.

Palindrome?

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

The number 1144627 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Twenty thousand eight hundred and twenty is a composite number with 24 total factors (including 1 and itself).   See primes in Base 7 Septenary

A Composite

Composites have more than just these two factors.

Twenty thousand eight hundred and twenty is a composite number with 24 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 thousand eight hundred and twenty has the following 4 prime factors:

2
27
Two in Base 7 Septenary
3
37
Three in Base 7 Septenary
5
57
Five in Base 7 Septenary
347
10047
Three Hundred and Forty-Seven in Base 7 Septenary

Prime Factorization

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

272 · 371 · 571 · 100471 = 1144627

Base Conversions

The number twenty thousand eight hundred and twenty in 35 different bases