The Number

21289

Twenty-One Thousand Two Hundred and Eighty-Nine

In Base 7 Septenary Is

1160327

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

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

Nearby Numbers

Positive, nonzero integers within three units

21286
1160267
Twenty-One Thousand Two Hundred and Eighty-Six in Base 7 Septenary
21287
1160307
Twenty-One Thousand Two Hundred and Eighty-Seven in Base 7 Septenary
21288
1160317
Twenty-One Thousand Two Hundred and Eighty-Eight in Base 7 Septenary
21290
1160337
Twenty-One Thousand Two Hundred and Ninety in Base 7 Septenary
21291
1160347
Twenty-One Thousand Two Hundred and Ninety-One in Base 7 Septenary
21292
1160357
Twenty-One Thousand Two Hundred and Ninety-Two in Base 7 Septenary

Scientific Notation

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

2.1289e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000053453413115551224627

The reciprocal of 21289 in Base 7 Septenary.

Palindrome?

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

The number 1160327 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 two hundred and eighty-nine 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-one thousand two hundred and eighty-nine 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-one thousand two hundred and eighty-nine has the following 2 prime factors:

61
1157
Sixty-One in Base 7 Septenary
349
10067
Three Hundred 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

11571 · 100671 = 1160327

Base Conversions

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