The Number

42990

Forty-Two Thousand Nine Hundred and Ninety

In Base 7 Septenary Is

2362237

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

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

Nearby Numbers

Positive, nonzero integers within three units

42987
2362207
Forty-Two Thousand Nine Hundred and Eighty-Seven in Base 7 Septenary
42988
2362217
Forty-Two Thousand Nine Hundred and Eighty-Eight in Base 7 Septenary
42989
2362227
Forty-Two Thousand Nine Hundred and Eighty-Nine in Base 7 Septenary
42991
2362247
Forty-Two Thousand Nine Hundred and Ninety-One in Base 7 Septenary
42992
2362257
Forty-Two Thousand Nine Hundred and Ninety-Two in Base 7 Septenary
42993
2362267
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.

4.2990e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000025104501633611035467

The reciprocal of 42990 in Base 7 Septenary.

Palindrome?

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

The number 2362237 is not a palindrome.

Not A Prime Number

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

Forty-two thousand nine hundred and ninety is a composite number with 16 total factors (including 1 and itself).   See primes in Base 7 Septenary

A Composite

Composites have more than just these two factors.

Forty-two thousand nine hundred and ninety is a composite number with 16 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 forty-two thousand nine hundred and ninety 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
1433
41157
One Thousand Four Hundred and Thirty-Three 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 · 371 · 571 · 411571 = 2362237

Base Conversions

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