The Number

155121

One Hundred and Fifty-Five Thousand One Hundred and Twenty-One

In Base 7 Septenary Is

12141517

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

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

Nearby Numbers

Positive, nonzero integers within three units

155118
12141457
One Hundred and Fifty-Five Thousand One Hundred and Eightteen in Base 7 Septenary
155119
12141467
One Hundred and Fifty-Five Thousand One Hundred and Nineteen in Base 7 Septenary
155120
12141507
One Hundred and Fifty-Five Thousand One Hundred and Twenty in Base 7 Septenary
155122
12141527
One Hundred and Fifty-Five Thousand One Hundred and Twenty-Two in Base 7 Septenary
155123
12141537
One Hundred and Fifty-Five Thousand One Hundred and Twenty-Three in Base 7 Septenary
155124
12141547
One Hundred and Fifty-Five 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.

1.55121e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000005210666540136602457

The reciprocal of 155121 in Base 7 Septenary.

Palindrome?

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

The number 12141517 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 fifty-five thousand one hundred and twenty-one 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 fifty-five thousand one hundred and twenty-one 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 fifty-five thousand one hundred and twenty-one has the following 3 prime factors:

3
37
Three in Base 7 Septenary
29
417
Twenty-Nine in Base 7 Septenary
1783
51257
One Thousand Seven Hundred and Eighty-Three in Base 7 Septenary

Prime Factorization

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

371 · 4171 · 512571 = 12141517

Base Conversions

The number one hundred and fifty-five thousand one hundred and twenty-one in 35 different bases