λ
Sigma Notebook

6,393,820

22 × 5 × 319691
Abundant Even Composite

6,393,820 is even and not a perfect square. Its factorization is 2^2 × 5 × 319691 and its 12 divisors sum to 13,427,064.

Prime Factor Structure

Factorization String 2^2 × 5 × 319691
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 13,427,064
Proper Divisor Sum 7,033,244
Digit Sum / Digital Root 31 (Root: 4)
Adjacent Primes #6393817 ← → #6393841

Radix Representation

Decimal 6393820
Binary 11000011000111111011100 (23 bits)
Octal 0o30307734
Hexadecimal 0x618FDC

Divisor Catalog (12)

1 2 4 5 10 20 319,691 639,382 1,278,764 1,598,455 3,196,910 6,393,820

Collatz Trajectory (209 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

6,393,820 3,196,910 1,598,455 4,795,366 2,397,683 7,193,050 3,596,525 10,789,576 5,394,788 2,697,394 1,348,697 4,046,092 2,023,046 1,011,523 3,034,570 1,517,285 4,551,856 2,275,928 1,137,964 568,982 284,491 853,474 426,737 1,280,212 640,106 320,053 960,160 480,080 240,040 120,020 60,010 30,005 90,016 45,008 22,504 11,252 5,626 2,813 8,440 4,220 2,110 1,055 3,166 1,583 4,750 2,375 7,126 3,563 10,690 5,345 16,036 8,018 4,009 12,028 6,014 3,007 9,022 4,511 13,534 6,767

More profiles

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