3,894,988

2² × 73 × 13339

Starting at 3,894,988, the Collatz iteration reaches 1 after 79 steps. The first transition is 1947494; the starting value is even with 12 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 73 × 13339

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 6,910,120

Proper Divisor Sum 3,015,132

Digit Sum / Digital Root 49 (Root: 4)

Adjacent Primes #3894977 ← → #3894991

Radix Representation

Decimal	3894988
Binary	1110110110111011001100 (22 bits)
Octal	0o16667314
Hexadecimal	0x3B6ECC

Divisor Catalog (12)

1 2 4 73 146 292 13,339 26,678 53,356 973,747 1,947,494 3,894,988

Collatz Trajectory (79 steps to reach 1)

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

3,894,988 1,947,494 973,747 2,921,242 1,460,621 4,381,864 2,190,932 1,095,466 547,733 1,643,200 821,600 410,800 205,400 102,700 51,350 25,675 77,026 38,513 115,540 57,770 28,885 86,656 43,328 21,664 10,832 5,416 2,708 1,354 677 2,032 1,016 508 254 127 382 191 574 287 862 431 1,294 647 1,942 971 2,914 1,457 4,372 2,186 1,093 3,280 1,640 820 410 205 616 308 154 77 232 116

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