The Number

87142

Eighty-Seven Thousand One Hundred and Forty-Two

In Base 7 Septenary Is

5120267

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

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

Nearby Numbers

Positive, nonzero integers within three units

87139
5120237
Eighty-Seven Thousand One Hundred and Thirty-Nine in Base 7 Septenary
87140
5120247
Eighty-Seven Thousand One Hundred and Forty in Base 7 Septenary
87141
5120257
Eighty-Seven Thousand One Hundred and Forty-One in Base 7 Septenary
87143
5120307
Eighty-Seven Thousand One Hundred and Forty-Three in Base 7 Septenary
87144
5120317
Eighty-Seven Thousand One Hundred and Forty-Four in Base 7 Septenary
87145
5120327
Eighty-Seven Thousand One 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.

8.7142e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00000123103600163212233357

The reciprocal of 87142 in Base 7 Septenary.

Palindrome?

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

The number 5120267 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 one hundred 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 one hundred 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 one hundred and forty-two has the following 4 prime factors:

2
27
Two in Base 7 Septenary
11
147
Eleven in Base 7 Septenary
17
237
Seventeen in Base 7 Septenary
233
4527
Two 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 · 1471 · 2371 · 45271 = 5120267

Base Conversions

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