3,139,343

787 × 3989

Starting at 3,139,343, the Collatz iteration reaches 1 after 102 steps. The first transition is 9418030; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 787 × 3989

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 3,144,120

Proper Divisor Sum 4,777

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #3139333 ← → #3139363

Radix Representation

Decimal	3139343
Binary	1011111110011100001111 (22 bits)
Octal	0o13763417
Hexadecimal	0x2FE70F

Divisor Catalog (4)

1 787 3,989 3,139,343

Collatz Trajectory (102 steps to reach 1)

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

3,139,343 9,418,030 4,709,015 14,127,046 7,063,523 21,190,570 10,595,285 31,785,856 15,892,928 7,946,464 3,973,232 1,986,616 993,308 496,654 248,327 744,982 372,491 1,117,474 558,737 1,676,212 838,106 419,053 1,257,160 628,580 314,290 157,145 471,436 235,718 117,859 353,578 176,789 530,368 265,184 132,592 66,296 33,148 16,574 8,287 24,862 12,431 37,294 18,647 55,942 27,971 83,914 41,957 125,872 62,936 31,468 15,734 7,867 23,602 11,801 35,404 17,702 8,851 26,554 13,277 39,832 19,916

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