The Number

21098

Twenty-One Thousand and Ninety-Eight

In Base 7 Septenary Is

1153407

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

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

Nearby Numbers

Positive, nonzero integers within three units

21095
1153347
Twenty-One Thousand and Ninety-Five in Base 7 Septenary
21096
1153357
Twenty-One Thousand and Ninety-Six in Base 7 Septenary
21097
1153367
Twenty-One Thousand and Ninety-Seven in Base 7 Septenary
21099
1153417
Twenty-One Thousand and Ninety-Nine in Base 7 Septenary
21100
1153427
Twenty-One Thousand One Hundred in Base 7 Septenary
21101
1153437
Twenty-One Thousand One Hundred and One in Base 7 Septenary

Scientific Notation

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

2.1098e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000054014502343220356547

The reciprocal of 21098 in Base 7 Septenary.

Palindrome?

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

The number 1153407 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 ninety-eight is a composite number with 16 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 ninety-eight is a composite number with 16 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 ninety-eight has the following 4 prime factors:

2
27
Two in Base 7 Septenary
7
107
Seven in Base 7 Septenary
11
147
Eleven in Base 7 Septenary
137
2547
One Hundred and Thirty-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

271 · 1071 · 1471 · 25471 = 1153407

Base Conversions

The number twenty-one thousand and ninety-eight in 35 different bases