The Number

87042

Eighty-Seven Thousand and Forty-Two

In Base 7 Septenary Is

5115247

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

For more familiar numbers: See Eighty-Seven Thousand and Forty-Two in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

87039
5115217
Eighty-Seven Thousand and Thirty-Nine in Base 7 Septenary
87040
5115227
Eighty-Seven Thousand and Forty in Base 7 Septenary
87041
5115237
Eighty-Seven Thousand and Forty-One in Base 7 Septenary
87043
5115257
Eighty-Seven Thousand and Forty-Three in Base 7 Septenary
87044
5115267
Eighty-Seven Thousand and Forty-Four in Base 7 Septenary
87045
5115307
Eighty-Seven Thousand 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.

8.7042e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00000123141632615506622157

The reciprocal of 87042 in Base 7 Septenary.

Palindrome?

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

The number 5115247 is not a palindrome.

Not A Prime Number

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

Eighty-seven thousand and forty-two 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.

Eighty-seven thousand and forty-two 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 eighty-seven thousand and forty-two has the following 4 prime factors:

2
27
Two in Base 7 Septenary
3
37
Three in Base 7 Septenary
89
1557
Eighty-Nine in Base 7 Septenary
163
3227
One Hundred and Sixty-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 · 15571 · 32271 = 5115247

Base Conversions

The number eighty-seven thousand and forty-two in 35 different bases