858,765

3 × 5 × 57251

858,765 factors as 3 × 5 × 57251. Its 8 positive divisors give a proper-divisor sum of 515,283, so this integer is deficient. The Collatz stopping time is 126 steps.

Prime Factor Structure

Factorization String 3 × 5 × 57251

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 1,374,048

Proper Divisor Sum 515,283

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #858763 ← → #858769

Radix Representation

Decimal	858765
Binary	11010001101010001101 (20 bits)
Octal	0o3215215
Hexadecimal	0xD1A8D

Divisor Catalog (8)

1 3 5 15 57,251 171,753 286,255 858,765

Collatz Trajectory (126 steps to reach 1)

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

858,765 2,576,296 1,288,148 644,074 322,037 966,112 483,056 241,528 120,764 60,382 30,191 90,574 45,287 135,862 67,931 203,794 101,897 305,692 152,846 76,423 229,270 114,635 343,906 171,953 515,860 257,930 128,965 386,896 193,448 96,724 48,362 24,181 72,544 36,272 18,136 9,068 4,534 2,267 6,802 3,401 10,204 5,102 2,551 7,654 3,827 11,482 5,741 17,224 8,612 4,306 2,153 6,460 3,230 1,615 4,846 2,423 7,270 3,635 10,906 5,453

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