551,015

5 × 193 × 571

551,015 factors as 5 × 193 × 571. Its 8 positive divisors give a proper-divisor sum of 114,793, so this integer is deficient. The Collatz stopping time is 221 steps.

Prime Factor Structure

Factorization String 5 × 193 × 571

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 665,808

Proper Divisor Sum 114,793

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #551003 ← → #551017

Radix Representation

Decimal	551015
Binary	10000110100001100111 (20 bits)
Octal	0o2064147
Hexadecimal	0x86867

Divisor Catalog (8)

1 5 193 571 965 2,855 110,203 551,015

Collatz Trajectory (221 steps to reach 1)

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

551,015 1,653,046 826,523 2,479,570 1,239,785 3,719,356 1,859,678 929,839 2,789,518 1,394,759 4,184,278 2,092,139 6,276,418 3,138,209 9,414,628 4,707,314 2,353,657 7,060,972 3,530,486 1,765,243 5,295,730 2,647,865 7,943,596 3,971,798 1,985,899 5,957,698 2,978,849 8,936,548 4,468,274 2,234,137 6,702,412 3,351,206 1,675,603 5,026,810 2,513,405 7,540,216 3,770,108 1,885,054 942,527 2,827,582 1,413,791 4,241,374 2,120,687 6,362,062 3,181,031 9,543,094 4,771,547 14,314,642 7,157,321 21,471,964 10,735,982 5,367,991 16,103,974 8,051,987 24,155,962 12,077,981 36,233,944 18,116,972 9,058,486 4,529,243

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