8,971,649

37 × 43 × 5639

Starting at 8,971,649, the Collatz iteration reaches 1 after 225 steps. The first transition is 26914948; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 37 × 43 × 5639

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 9,430,080

Proper Divisor Sum 458,431

Digit Sum / Digital Root 44 (Root: 8)

Adjacent Primes #8971639 ← → #8971657

Radix Representation

Decimal	8971649
Binary	100010001110010110000001 (24 bits)
Octal	0o42162601
Hexadecimal	0x88E581

Divisor Catalog (8)

1 37 43 1,591 5,639 208,643 242,477 8,971,649

Collatz Trajectory (225 steps to reach 1)

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

8,971,649 26,914,948 13,457,474 6,728,737 20,186,212 10,093,106 5,046,553 15,139,660 7,569,830 3,784,915 11,354,746 5,677,373 17,032,120 8,516,060 4,258,030 2,129,015 6,387,046 3,193,523 9,580,570 4,790,285 14,370,856 7,185,428 3,592,714 1,796,357 5,389,072 2,694,536 1,347,268 673,634 336,817 1,010,452 505,226 252,613 757,840 378,920 189,460 94,730 47,365 142,096 71,048 35,524 17,762 8,881 26,644 13,322 6,661 19,984 9,992 4,996 2,498 1,249 3,748 1,874 937 2,812 1,406 703 2,110 1,055 3,166 1,583

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