The Number

20001

Twenty Thousand and One

In Base 7 Septenary Is

1122127

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

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

Nearby Numbers

Positive, nonzero integers within three units

19998
1122067
Nineteen Thousand Nine Hundred and Ninety-Eight in Base 7 Septenary
19999
1122107
Nineteen Thousand Nine Hundred and Ninety-Nine in Base 7 Septenary
20000
1122117
Twenty Thousand in Base 7 Septenary
20002
1122137
Twenty Thousand and Two in Base 7 Septenary
20003
1122147
Twenty Thousand and Three in Base 7 Septenary
20004
1122157
Twenty Thousand and 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.

2.0001e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000005611402521121032517

The reciprocal of 20001 in Base 7 Septenary.

Palindrome?

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

The number 1122127 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 and one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 7 Septenary

A Composite

Composites have more than just these two factors.

Twenty thousand and one is a composite number with 8 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 and one has the following 3 prime factors:

3
37
Three in Base 7 Septenary
59
1137
Fifty-Nine in Base 7 Septenary
113
2217
One Hundred and Thirteen in Base 7 Septenary

Prime Factorization

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

371 · 11371 · 22171 = 1122127

Base Conversions

The number twenty thousand and one in 35 different bases