987,495

3 × 5 × 43 × 1531

987,495 factors as 3 × 5 × 43 × 1531. Its 16 positive divisors give a proper-divisor sum of 630,297, so this integer is deficient. The Collatz stopping time is 289 steps.

Prime Factor Structure

Factorization String 3 × 5 × 43 × 1531

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,617,792

Proper Divisor Sum 630,297

Digit Sum / Digital Root 42 (Root: 6)

Adjacent Primes #987491 ← → #987509

Radix Representation

Decimal	987495
Binary	11110001000101100111 (20 bits)
Octal	0o3610547
Hexadecimal	0xF1167

Divisor Catalog (16)

1 3 5 15 43 129 215 645 1,531 4,593 7,655 22,965 65,833 197,499 329,165 987,495

Collatz Trajectory (289 steps to reach 1)

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

987,495 2,962,486 1,481,243 4,443,730 2,221,865 6,665,596 3,332,798 1,666,399 4,999,198 2,499,599 7,498,798 3,749,399 11,248,198 5,624,099 16,872,298 8,436,149 25,308,448 12,654,224 6,327,112 3,163,556 1,581,778 790,889 2,372,668 1,186,334 593,167 1,779,502 889,751 2,669,254 1,334,627 4,003,882 2,001,941 6,005,824 3,002,912 1,501,456 750,728 375,364 187,682 93,841 281,524 140,762 70,381 211,144 105,572 52,786 26,393 79,180 39,590 19,795 59,386 29,693 89,080 44,540 22,270 11,135 33,406 16,703 50,110 25,055 75,166 37,583

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