8,555,868

2² × 3⁴ × 26407

Starting at 8,555,868, the Collatz iteration reaches 1 after 124 steps. The first transition is 4277934; the starting value is even with 30 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 3^4 × 26407

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 30

Divisor Sum (σ) 22,367,576

Proper Divisor Sum 13,811,708

Digit Sum / Digital Root 45 (Root: 9)

Adjacent Primes #8555861 ← → #8555873

Radix Representation

Decimal	8555868
Binary	100000101000110101011100 (24 bits)
Octal	0o40506534
Hexadecimal	0x828D5C

Divisor Catalog (30)

1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 26,407 52,814 79,221 105,628 158,442 237,663 316,884 475,326 712,989 950,652 1,425,978 2,138,967 2,851,956 4,277,934 8,555,868

Collatz Trajectory (124 steps to reach 1)

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

8,555,868 4,277,934 2,138,967 6,416,902 3,208,451 9,625,354 4,812,677 14,438,032 7,219,016 3,609,508 1,804,754 902,377 2,707,132 1,353,566 676,783 2,030,350 1,015,175 3,045,526 1,522,763 4,568,290 2,284,145 6,852,436 3,426,218 1,713,109 5,139,328 2,569,664 1,284,832 642,416 321,208 160,604 80,302 40,151 120,454 60,227 180,682 90,341 271,024 135,512 67,756 33,878 16,939 50,818 25,409 76,228 38,114 19,057 57,172 28,586 14,293 42,880 21,440 10,720 5,360 2,680 1,340 670 335 1,006 503 1,510

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