2,649,777

3 × 13 × 67943

Starting at 2,649,777, the Collatz iteration reaches 1 after 143 steps. The first transition is 7949332; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 3 × 13 × 67943

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 3,804,864

Proper Divisor Sum 1,155,087

Digit Sum / Digital Root 42 (Root: 6)

Adjacent Primes #2649769 ← → #2649781

Radix Representation

Decimal	2649777
Binary	1010000110111010110001 (22 bits)
Octal	0o12067261
Hexadecimal	0x286EB1

Divisor Catalog (8)

1 3 13 39 67,943 203,829 883,259 2,649,777

Collatz Trajectory (143 steps to reach 1)

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

2,649,777 7,949,332 3,974,666 1,987,333 5,962,000 2,981,000 1,490,500 745,250 372,625 1,117,876 558,938 279,469 838,408 419,204 209,602 104,801 314,404 157,202 78,601 235,804 117,902 58,951 176,854 88,427 265,282 132,641 397,924 198,962 99,481 298,444 149,222 74,611 223,834 111,917 335,752 167,876 83,938 41,969 125,908 62,954 31,477 94,432 47,216 23,608 11,804 5,902 2,951 8,854 4,427 13,282 6,641 19,924 9,962 4,981 14,944 7,472 3,736 1,868 934 467

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