8,442,703

647 × 13049

Starting at 8,442,703, the Collatz iteration reaches 1 after 129 steps. The first transition is 25328110; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 647 × 13049

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 8,456,400

Proper Divisor Sum 13,697

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #8442689 ← → #8442713

Radix Representation

Decimal	8442703
Binary	100000001101001101001111 (24 bits)
Octal	0o40151517
Hexadecimal	0x80D34F

Divisor Catalog (4)

1 647 13,049 8,442,703

Collatz Trajectory (129 steps to reach 1)

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

8,442,703 25,328,110 12,664,055 37,992,166 18,996,083 56,988,250 28,494,125 85,482,376 42,741,188 21,370,594 10,685,297 32,055,892 16,027,946 8,013,973 24,041,920 12,020,960 6,010,480 3,005,240 1,502,620 751,310 375,655 1,126,966 563,483 1,690,450 845,225 2,535,676 1,267,838 633,919 1,901,758 950,879 2,852,638 1,426,319 4,278,958 2,139,479 6,418,438 3,209,219 9,627,658 4,813,829 14,441,488 7,220,744 3,610,372 1,805,186 902,593 2,707,780 1,353,890 676,945 2,030,836 1,015,418 507,709 1,523,128 761,564 380,782 190,391 571,174 285,587 856,762 428,381 1,285,144 642,572 321,286

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