The Number

20105

Twenty Thousand One Hundred and Five

In Base 7 Septenary Is

1124217

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

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

Nearby Numbers

Positive, nonzero integers within three units

20102
1124157
Twenty Thousand One Hundred and Two in Base 7 Septenary
20103
1124167
Twenty Thousand One Hundred and Three in Base 7 Septenary
20104
1124207
Twenty Thousand One Hundred and Four in Base 7 Septenary
20106
1124227
Twenty Thousand One Hundred and Six in Base 7 Septenary
20107
1124237
Twenty Thousand One Hundred and Seven in Base 7 Septenary
20108
1124247
Twenty Thousand One Hundred and 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.

2.0105e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000005565066666110167

The reciprocal of 20105 in Base 7 Septenary.

Palindrome?

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

The number 1124217 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 one hundred and five 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 thousand one hundred and five 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 thousand one hundred and five has the following 2 prime factors:

5
57
Five in Base 7 Septenary
4021
145037
Four Thousand and Twenty-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

571 · 1450371 = 1124217

Base Conversions

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