8,917,572

2² × 3 × 743131

Starting at 8,917,572, the Collatz iteration reaches 1 after 287 steps. The first transition is 4458786; the starting value is even with 12 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 3 × 743131

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 20,807,696

Proper Divisor Sum 11,890,124

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #8917523 ← → #8917663

Radix Representation

Decimal	8917572
Binary	100010000001001001000100 (24 bits)
Octal	0o42011104
Hexadecimal	0x881244

Divisor Catalog (12)

1 2 3 4 6 12 743,131 1,486,262 2,229,393 2,972,524 4,458,786 8,917,572

Collatz Trajectory (287 steps to reach 1)

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

8,917,572 4,458,786 2,229,393 6,688,180 3,344,090 1,672,045 5,016,136 2,508,068 1,254,034 627,017 1,881,052 940,526 470,263 1,410,790 705,395 2,116,186 1,058,093 3,174,280 1,587,140 793,570 396,785 1,190,356 595,178 297,589 892,768 446,384 223,192 111,596 55,798 27,899 83,698 41,849 125,548 62,774 31,387 94,162 47,081 141,244 70,622 35,311 105,934 52,967 158,902 79,451 238,354 119,177 357,532 178,766 89,383 268,150 134,075 402,226 201,113 603,340 301,670 150,835 452,506 226,253 678,760 339,380

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