864,643

13 × 227 × 293

864,643 factors as 13 × 227 × 293. Its 8 positive divisors give a proper-divisor sum of 73,805, so this integer is deficient. The Collatz stopping time is 219 steps.

Prime Factor Structure

Factorization String 13 × 227 × 293

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 938,448

Proper Divisor Sum 73,805

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #864641 ← → #864673

Radix Representation

Decimal	864643
Binary	11010011000110000011 (20 bits)
Octal	0o3230603
Hexadecimal	0xD3183

Divisor Catalog (8)

1 13 227 293 2,951 3,809 66,511 864,643

Collatz Trajectory (219 steps to reach 1)

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

864,643 2,593,930 1,296,965 3,890,896 1,945,448 972,724 486,362 243,181 729,544 364,772 182,386 91,193 273,580 136,790 68,395 205,186 102,593 307,780 153,890 76,945 230,836 115,418 57,709 173,128 86,564 43,282 21,641 64,924 32,462 16,231 48,694 24,347 73,042 36,521 109,564 54,782 27,391 82,174 41,087 123,262 61,631 184,894 92,447 277,342 138,671 416,014 208,007 624,022 312,011 936,034 468,017 1,404,052 702,026 351,013 1,053,040 526,520 263,260 131,630 65,815 197,446

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