The Number

142121

One Hundred and Forty-Two Thousand One Hundred and Twenty-One

In Base 7 Septenary Is

11312307

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

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

Nearby Numbers

Positive, nonzero integers within three units

142118
11312247
One Hundred and Forty-Two Thousand One Hundred and Eightteen in Base 7 Septenary
142119
11312257
One Hundred and Forty-Two Thousand One Hundred and Nineteen in Base 7 Septenary
142120
11312267
One Hundred and Forty-Two Thousand One Hundred and Twenty in Base 7 Septenary
142122
11312317
One Hundred and Forty-Two Thousand One Hundred and Twenty-Two in Base 7 Septenary
142123
11312327
One Hundred and Forty-Two Thousand One Hundred and Twenty-Three in Base 7 Septenary
142124
11312337
One Hundred and Forty-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.

1.42121e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000055363660261040133047

The reciprocal of 142121 in Base 7 Septenary.

Palindrome?

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

The number 11312307 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 forty-two 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 forty-two 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 forty-two thousand one hundred and twenty-one has the following 3 prime factors:

7
107
Seven in Base 7 Septenary
79
1427
Seventy-Nine in Base 7 Septenary
257
5157
Two Hundred and Fifty-Seven 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 · 14271 · 51571 = 11312307

Base Conversions

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