The Number

213820

Two Hundred and Thirteen Thousand Eight Hundred and Twenty

In Base 7 Septenary Is

15502457

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

For more familiar numbers: See Two Hundred and Thirteen Thousand Eight Hundred and Twenty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

213817
15502427
Two Hundred and Thirteen Thousand Eight Hundred and Seventeen in Base 7 Septenary
213818
15502437
Two Hundred and Thirteen Thousand Eight Hundred and Eightteen in Base 7 Septenary
213819
15502447
Two Hundred and Thirteen Thousand Eight Hundred and Nineteen in Base 7 Septenary
213821
15502467
Two Hundred and Thirteen Thousand Eight Hundred and Twenty-One in Base 7 Septenary
213822
15502507
Two Hundred and Thirteen Thousand Eight Hundred and Twenty-Two in Base 7 Septenary
213823
15502517
Two Hundred and Thirteen Thousand Eight 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.

2.13820e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000035650423451360331247

The reciprocal of 213820 in Base 7 Septenary.

Palindrome?

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

The number 15502457 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 thirteen thousand eight hundred and twenty is a composite number with 12 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 thirteen thousand eight hundred and twenty is a composite number with 12 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 thirteen thousand eight hundred and twenty has the following 3 prime factors:

2
27
Two in Base 7 Septenary
5
57
Five in Base 7 Septenary
10691
431127
Ten Thousand Six Hundred and Ninety-One in Base 7 Septenary

Prime Factorization

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

272 · 571 · 4311271 = 15502457

Base Conversions

The number two hundred and thirteen thousand eight hundred and twenty in 35 different bases