The Number

21201

Twenty-One Thousand Two Hundred and One

In Base 7 Septenary Is

1155457

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

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

Nearby Numbers

Positive, nonzero integers within three units

21198
1155427
Twenty-One Thousand One Hundred and Ninety-Eight in Base 7 Septenary
21199
1155437
Twenty-One Thousand One Hundred and Ninety-Nine in Base 7 Septenary
21200
1155447
Twenty-One Thousand Two Hundred in Base 7 Septenary
21202
1155467
Twenty-One Thousand Two Hundred and Two in Base 7 Septenary
21203
1155507
Twenty-One Thousand Two Hundred and Three in Base 7 Septenary
21204
1155517
Twenty-One Thousand Two Hundred and 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.

2.1201e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000053562450526055025627

The reciprocal of 21201 in Base 7 Septenary.

Palindrome?

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

The number 1155457 is not a palindrome.

Not A Prime Number

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

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

3
37
Three in Base 7 Septenary
37
527
Thirty-Seven in Base 7 Septenary
191
3627
One Hundred and Ninety-One 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 · 5271 · 36271 = 1155457

Base Conversions

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