λ
Sigma Notebook

8,687,818

2 × 41 × 101 × 1049
Deficient Even Composite

8,687,818 is even and not a perfect square. Its factorization is 2 × 41 × 101 × 1049 and its 16 divisors sum to 13,494,600.

Prime Factor Structure

Factorization String 2 × 41 × 101 × 1049
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 13,494,600
Proper Divisor Sum 4,806,782
Digit Sum / Digital Root 46 (Root: 1)
Adjacent Primes #8687797 ← → #8687827

Radix Representation

Decimal 8687818
Binary 100001001001000011001010 (24 bits)
Octal 0o41110312
Hexadecimal 0x8490CA

Divisor Catalog (16)

1 2 41 82 101 202 1,049 2,098 4,141 8,282 43,009 86,018 105,949 211,898 4,343,909 8,687,818

Collatz Trajectory (106 steps to reach 1)

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

8,687,818 4,343,909 13,031,728 6,515,864 3,257,932 1,628,966 814,483 2,443,450 1,221,725 3,665,176 1,832,588 916,294 458,147 1,374,442 687,221 2,061,664 1,030,832 515,416 257,708 128,854 64,427 193,282 96,641 289,924 144,962 72,481 217,444 108,722 54,361 163,084 81,542 40,771 122,314 61,157 183,472 91,736 45,868 22,934 11,467 34,402 17,201 51,604 25,802 12,901 38,704 19,352 9,676 4,838 2,419 7,258 3,629 10,888 5,444 2,722 1,361 4,084 2,042 1,021 3,064 1,532

More profiles

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