The Number

172121

One Hundred and Seventy-Two Thousand One Hundred and Twenty-One

In Base 7 Septenary Is

13145457

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 Twenty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

172118
13145427
One Hundred and Seventy-Two Thousand One Hundred and Eightteen in Base 7 Septenary
172119
13145437
One Hundred and Seventy-Two Thousand One Hundred and Nineteen in Base 7 Septenary
172120
13145447
One Hundred and Seventy-Two Thousand One Hundred and Twenty in Base 7 Septenary
172122
13145467
One Hundred and Seventy-Two Thousand One Hundred and Twenty-Two in Base 7 Septenary
172123
13145507
One Hundred and Seventy-Two Thousand One Hundred and Twenty-Three in Base 7 Septenary
172124
13145517
One Hundred and Seventy-Two Thousand One Hundred and Twenty-Four in Base 7 Septenary

Scientific Notation

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

1.72121e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000045331001246023045427

The reciprocal of 172121 in Base 7 Septenary.

Palindrome?

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

The number 13145457 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 twenty-one is a composite number with 4 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 twenty-one is a composite number with 4 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 twenty-one has the following 2 prime factors:

19
257
Nineteen in Base 7 Septenary
9059
352617
Nine Thousand and Fifty-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

2571 · 3526171 = 13145457

Base Conversions

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