The Number

21485

Twenty-One Thousand Four Hundred and Eighty-Five

In Base 7 Septenary Is

1164327

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

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

Nearby Numbers

Positive, nonzero integers within three units

21482
1164267
Twenty-One Thousand Four Hundred and Eighty-Two in Base 7 Septenary
21483
1164307
Twenty-One Thousand Four Hundred and Eighty-Three in Base 7 Septenary
21484
1164317
Twenty-One Thousand Four Hundred and Eighty-Four in Base 7 Septenary
21486
1164337
Twenty-One Thousand Four Hundred and Eighty-Six in Base 7 Septenary
21487
1164347
Twenty-One Thousand Four Hundred and Eighty-Seven in Base 7 Septenary
21488
1164357
Twenty-One Thousand Four Hundred and Eighty-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.

2.1485e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000053221361561340603127

The reciprocal of 21485 in Base 7 Septenary.

Palindrome?

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

The number 1164327 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 four hundred and eighty-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-one thousand four hundred and eighty-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-one thousand four hundred and eighty-five has the following 2 prime factors:

5
57
Five in Base 7 Septenary
4297
153467
Four Thousand Two Hundred and Ninety-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

571 · 1534671 = 1164327

Base Conversions

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