The Number

42720

Forty-Two Thousand Seven Hundred and Twenty

In Base 7 Septenary Is

2353567

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

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

Nearby Numbers

Positive, nonzero integers within three units

42717
2353537
Forty-Two Thousand Seven Hundred and Seventeen in Base 7 Septenary
42718
2353547
Forty-Two Thousand Seven Hundred and Eightteen in Base 7 Septenary
42719
2353557
Forty-Two Thousand Seven Hundred and Nineteen in Base 7 Septenary
42721
2353607
Forty-Two Thousand Seven Hundred and Twenty-One in Base 7 Septenary
42722
2353617
Forty-Two Thousand Seven Hundred and Twenty-Two in Base 7 Septenary
42723
2353627
Forty-Two Thousand Seven Hundred and Twenty-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.

4.2720e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00000251641511155014421637

The reciprocal of 42720 in Base 7 Septenary.

Palindrome?

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

The number 2353567 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 seven hundred and twenty is a composite number with 48 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 seven hundred and twenty is a composite number with 48 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 seven hundred and twenty 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
89
1557
Eighty-Nine in Base 7 Septenary

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

275 · 371 · 571 · 15571 = 2353567

Base Conversions

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