The Number

20121

Twenty Thousand One Hundred and Twenty-One

In Base 7 Septenary Is

1124437

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

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

Nearby Numbers

Positive, nonzero integers within three units

20118
1124407
Twenty Thousand One Hundred and Eightteen in Base 7 Septenary
20119
1124417
Twenty Thousand One Hundred and Nineteen in Base 7 Septenary
20120
1124427
Twenty Thousand One Hundred and Twenty in Base 7 Septenary
20122
1124447
Twenty Thousand One Hundred and Twenty-Two in Base 7 Septenary
20123
1124457
Twenty Thousand One Hundred and Twenty-Three in Base 7 Septenary
20124
1124467
Twenty 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.

2.0121e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000055633553563435426547

The reciprocal of 20121 in Base 7 Septenary.

Palindrome?

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

The number 1124437 is not a palindrome.

Not A Prime Number

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

Twenty 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.

Twenty 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 twenty thousand one hundred and twenty-one has the following 3 prime factors:

3
37
Three in Base 7 Septenary
19
257
Nineteen in Base 7 Septenary
353
10137
Three Hundred and Fifty-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 · 2571 · 101371 = 1124437

Base Conversions

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