8,643,298

2 × 139 × 31091

Starting at 8,643,298, the Collatz iteration reaches 1 after 106 steps. The first transition is 4321649; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 139 × 31091

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 13,058,640

Proper Divisor Sum 4,415,342

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #8643287 ← → #8643307

Radix Representation

Decimal	8643298
Binary	100000111110001011100010 (24 bits)
Octal	0o40761342
Hexadecimal	0x83E2E2

Divisor Catalog (8)

1 2 139 278 31,091 62,182 4,321,649 8,643,298

Collatz Trajectory (106 steps to reach 1)

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

8,643,298 4,321,649 12,964,948 6,482,474 3,241,237 9,723,712 4,861,856 2,430,928 1,215,464 607,732 303,866 151,933 455,800 227,900 113,950 56,975 170,926 85,463 256,390 128,195 384,586 192,293 576,880 288,440 144,220 72,110 36,055 108,166 54,083 162,250 81,125 243,376 121,688 60,844 30,422 15,211 45,634 22,817 68,452 34,226 17,113 51,340 25,670 12,835 38,506 19,253 57,760 28,880 14,440 7,220 3,610 1,805 5,416 2,708 1,354 677 2,032 1,016 508 254

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