The Number

242990

Two Hundred and Forty-Two Thousand Nine Hundred and Ninety

In Base 7 Septenary Is

20312667

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

For more familiar numbers: See Two Hundred and Forty-Two Thousand Nine Hundred and Ninety in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

242987
20312637
Two Hundred and Forty-Two Thousand Nine Hundred and Eighty-Seven in Base 7 Septenary
242988
20312647
Two Hundred and Forty-Two Thousand Nine Hundred and Eighty-Eight in Base 7 Septenary
242989
20312657
Two Hundred and Forty-Two Thousand Nine Hundred and Eighty-Nine in Base 7 Septenary
242991
20313007
Two Hundred and Forty-Two Thousand Nine Hundred and Ninety-One in Base 7 Septenary
242992
20313017
Two Hundred and Forty-Two Thousand Nine Hundred and Ninety-Two in Base 7 Septenary
242993
20313027
Two Hundred and Forty-Two Thousand Nine Hundred and Ninety-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.

2.42990e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000032503324212600053447

The reciprocal of 242990 in Base 7 Septenary.

Palindrome?

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

The number 20312667 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Two hundred and forty-two thousand nine hundred and ninety is a composite number with 24 total factors (including 1 and itself).   See primes in Base 7 Septenary

A Composite

Composites have more than just these two factors.

Two hundred and forty-two thousand nine hundred and ninety is a composite number with 24 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 two hundred and forty-two thousand nine hundred and ninety has the following 4 prime factors:

2
27
Two in Base 7 Septenary
5
57
Five in Base 7 Septenary
11
147
Eleven in Base 7 Septenary
47
657
Forty-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 · 571 · 1471 · 6572 = 20312667

Base Conversions

The number two hundred and forty-two thousand nine hundred and ninety in 35 different bases