The Number

172109

One Hundred and Seventy-Two Thousand One Hundred and Nine

In Base 7 Septenary Is

13145307

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

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

Nearby Numbers

Positive, nonzero integers within three units

172106
13145247
One Hundred and Seventy-Two Thousand One Hundred and Six in Base 7 Septenary
172107
13145257
One Hundred and Seventy-Two Thousand One Hundred and Seven in Base 7 Septenary
172108
13145267
One Hundred and Seventy-Two Thousand One Hundred and Eight in Base 7 Septenary
172110
13145317
One Hundred and Seventy-Two Thousand One Hundred and Ten in Base 7 Septenary
172111
13145327
One Hundred and Seventy-Two Thousand One Hundred and Eleven in Base 7 Septenary
172112
13145337
One Hundred and Seventy-Two Thousand One Hundred and Twelve in Base 7 Septenary

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

1.72109e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000045331543056445551157

The reciprocal of 172109 in Base 7 Septenary.

Palindrome?

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

The number 13145307 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 seventy-two thousand one hundred and nine is a composite number with 8 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 seventy-two thousand one hundred and nine is a composite number with 8 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 seventy-two thousand one hundred and nine has the following 3 prime factors:

7
107
Seven in Base 7 Septenary
23
327
Twenty-Three in Base 7 Septenary
1069
30557
One Thousand and Sixty-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

1071 · 3271 · 305571 = 13145307

Base Conversions

The number one hundred and seventy-two thousand one hundred and nine in 35 different bases