16,005,455

5 × 31² × 3331

16,005,455 factors as 5 × 31^2 × 3331. Its 12 positive divisors give a proper-divisor sum of 3,846,601, so this integer is deficient. The Collatz stopping time is 117 steps.

Prime Factor Structure

Factorization String 5 × 31^2 × 3331

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 19,852,056

Proper Divisor Sum 3,846,601

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #16005443 ← → #16005463

Radix Representation

Decimal	16005455
Binary	111101000011100101001111 (24 bits)
Octal	0o75034517
Hexadecimal	0xF4394F

Divisor Catalog (12)

1 5 31 155 961 3,331 4,805 16,655 103,261 516,305 3,201,091 16,005,455

Collatz Trajectory (117 steps to reach 1)

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

16,005,455 48,016,366 24,008,183 72,024,550 36,012,275 108,036,826 54,018,413 162,055,240 81,027,620 40,513,810 20,256,905 60,770,716 30,385,358 15,192,679 45,578,038 22,789,019 68,367,058 34,183,529 102,550,588 51,275,294 25,637,647 76,912,942 38,456,471 115,369,414 57,684,707 173,054,122 86,527,061 259,581,184 129,790,592 64,895,296 32,447,648 16,223,824 8,111,912 4,055,956 2,027,978 1,013,989 3,041,968 1,520,984 760,492 380,246 190,123 570,370 285,185 855,556 427,778 213,889 641,668 320,834 160,417 481,252 240,626 120,313 360,940 180,470 90,235 270,706 135,353 406,060 203,030 101,515

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