9,918,286

2 × 7² × 101207

Starting at 9,918,286, the Collatz iteration reaches 1 after 163 steps. The first transition is 4959143; the starting value is even with 12 positive divisors.

Prime Factor Structure

Factorization String 2 × 7^2 × 101207

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 17,306,568

Proper Divisor Sum 7,388,282

Digit Sum / Digital Root 43 (Root: 7)

Adjacent Primes #9918253 ← → #9918289

Radix Representation

Decimal	9918286
Binary	100101110101011101001110 (24 bits)
Octal	0o45653516
Hexadecimal	0x97574E

Divisor Catalog (12)

1 2 7 14 49 98 101,207 202,414 708,449 1,416,898 4,959,143 9,918,286

Collatz Trajectory (163 steps to reach 1)

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

9,918,286 4,959,143 14,877,430 7,438,715 22,316,146 11,158,073 33,474,220 16,737,110 8,368,555 25,105,666 12,552,833 37,658,500 18,829,250 9,414,625 28,243,876 14,121,938 7,060,969 21,182,908 10,591,454 5,295,727 15,887,182 7,943,591 23,830,774 11,915,387 35,746,162 17,873,081 53,619,244 26,809,622 13,404,811 40,214,434 20,107,217 60,321,652 30,160,826 15,080,413 45,241,240 22,620,620 11,310,310 5,655,155 16,965,466 8,482,733 25,448,200 12,724,100 6,362,050 3,181,025 9,543,076 4,771,538 2,385,769 7,157,308 3,578,654 1,789,327 5,367,982 2,683,991 8,051,974 4,025,987 12,077,962 6,038,981 18,116,944 9,058,472 4,529,236 2,264,618

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