The Number

20980

Twenty Thousand Nine Hundred and Eighty

In Base 7 Septenary Is

1151117

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

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

Nearby Numbers

Positive, nonzero integers within three units

20977
1151057
Twenty Thousand Nine Hundred and Seventy-Seven in Base 7 Septenary
20978
1151067
Twenty Thousand Nine Hundred and Seventy-Eight in Base 7 Septenary
20979
1151107
Twenty Thousand Nine Hundred and Seventy-Nine in Base 7 Septenary
20981
1151127
Twenty Thousand Nine Hundred and Eighty-One in Base 7 Septenary
20982
1151137
Twenty Thousand Nine Hundred and Eighty-Two in Base 7 Septenary
20983
1151147
Twenty Thousand Nine Hundred and Eighty-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.

2.0980e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000005415301143531342247

The reciprocal of 20980 in Base 7 Septenary.

Palindrome?

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

The number 1151117 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 nine hundred and eighty is a composite number with 12 total factors (including 1 and itself).   See primes in Base 7 Septenary

A Composite

Composites have more than just these two factors.

Twenty thousand nine hundred and eighty is a composite number with 12 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 nine hundred and eighty has the following 3 prime factors:

2
27
Two in Base 7 Septenary
5
57
Five in Base 7 Septenary
1049
30267
One Thousand and Forty-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

272 · 571 · 302671 = 1151117

Base Conversions

The number twenty thousand nine hundred and eighty in 35 different bases