8,648,866

2 × 4324433

Starting at 8,648,866, the Collatz iteration reaches 1 after 181 steps. The first transition is 4324433; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 4324433

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 12,973,302

Proper Divisor Sum 4,324,436

Digit Sum / Digital Root 46 (Root: 1)

Adjacent Primes #8648863 ← → #8648867

Radix Representation

Decimal	8648866
Binary	100000111111100010100010 (24 bits)
Octal	0o40774242
Hexadecimal	0x83F8A2

Divisor Catalog (4)

1 2 4,324,433 8,648,866

Collatz Trajectory (181 steps to reach 1)

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

8,648,866 4,324,433 12,973,300 6,486,650 3,243,325 9,729,976 4,864,988 2,432,494 1,216,247 3,648,742 1,824,371 5,473,114 2,736,557 8,209,672 4,104,836 2,052,418 1,026,209 3,078,628 1,539,314 769,657 2,308,972 1,154,486 577,243 1,731,730 865,865 2,597,596 1,298,798 649,399 1,948,198 974,099 2,922,298 1,461,149 4,383,448 2,191,724 1,095,862 547,931 1,643,794 821,897 2,465,692 1,232,846 616,423 1,849,270 924,635 2,773,906 1,386,953 4,160,860 2,080,430 1,040,215 3,120,646 1,560,323 4,680,970 2,340,485 7,021,456 3,510,728 1,755,364 877,682 438,841 1,316,524 658,262 329,131

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