The Number

21480

Twenty-One Thousand Four Hundred and Eighty

In Base 7 Septenary Is

1164247

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

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

Nearby Numbers

Positive, nonzero integers within three units

21477
1164217
Twenty-One Thousand Four Hundred and Seventy-Seven in Base 7 Septenary
21478
1164227
Twenty-One Thousand Four Hundred and Seventy-Eight in Base 7 Septenary
21479
1164237
Twenty-One Thousand Four Hundred and Seventy-Nine in Base 7 Septenary
21481
1164257
Twenty-One Thousand Four Hundred and Eighty-One in Base 7 Septenary
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

Scientific Notation

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

2.1480e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000053224421364435203167

The reciprocal of 21480 in Base 7 Septenary.

Palindrome?

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

The number 1164247 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 is a composite number with 32 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 is a composite number with 32 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 has the following 4 prime factors:

2
27
Two in Base 7 Septenary
3
37
Three in Base 7 Septenary
5
57
Five in Base 7 Septenary
179
3447
One Hundred and Seventy-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

273 · 371 · 571 · 34471 = 1164247

Base Conversions

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