The Number

131220

One Hundred and Thirty-One Thousand Two Hundred and Twenty

In Base 7 Septenary Is

10543657

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

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

Nearby Numbers

Positive, nonzero integers within three units

131217
10543627
One Hundred and Thirty-One Thousand Two Hundred and Seventeen in Base 7 Septenary
131218
10543637
One Hundred and Thirty-One Thousand Two Hundred and Eightteen in Base 7 Septenary
131219
10543647
One Hundred and Thirty-One Thousand Two Hundred and Nineteen in Base 7 Septenary
131221
10543667
One Hundred and Thirty-One Thousand Two Hundred and Twenty-One in Base 7 Septenary
131222
10544007
One Hundred and Thirty-One Thousand Two Hundred and Twenty-Two in Base 7 Septenary
131223
10544017
One Hundred and Thirty-One Thousand Two 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.

1.31220e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000061634535165403445637

The reciprocal of 131220 in Base 7 Septenary.

Palindrome?

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

The number 10543657 is not a palindrome.

Not A Prime Number

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

One hundred and thirty-one thousand two hundred and twenty is a composite number with 54 total factors (including 1 and itself).   See primes in Base 7 Septenary

A Composite

Composites have more than just these two factors.

One hundred and thirty-one thousand two hundred and twenty is a composite number with 54 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 one hundred and thirty-one thousand two hundred and twenty has the following 3 prime factors:

2
27
Two in Base 7 Septenary
3
37
Three in Base 7 Septenary
5
57
Five 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 · 378 · 571 = 10543657

Base Conversions

The number one hundred and thirty-one thousand two hundred and twenty in 35 different bases