The Number

21442

Twenty-One Thousand Four Hundred and Forty-Two

In Base 7 Septenary Is

1163417

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

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

Nearby Numbers

Positive, nonzero integers within three units

21439
1163357
Twenty-One Thousand Four Hundred and Thirty-Nine in Base 7 Septenary
21440
1163367
Twenty-One Thousand Four Hundred and Forty in Base 7 Septenary
21441
1163407
Twenty-One Thousand Four Hundred and Forty-One in Base 7 Septenary
21443
1163427
Twenty-One Thousand Four Hundred and Forty-Three in Base 7 Septenary
21444
1163437
Twenty-One Thousand Four Hundred and Forty-Four in Base 7 Septenary
21445
1163447
Twenty-One Thousand Four Hundred and Forty-Five in Base 7 Septenary

Scientific Notation

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

2.1442e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000053256631314214223427

The reciprocal of 21442 in Base 7 Septenary.

Palindrome?

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

The number 1163417 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 forty-two is a composite number with 8 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 forty-two is a composite number with 8 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 forty-two has the following 3 prime factors:

2
27
Two in Base 7 Septenary
71
1317
Seventy-One in Base 7 Septenary
151
3047
One Hundred and Fifty-One 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 · 13171 · 30471 = 1163417

Base Conversions

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