3,557,318

2 × 17 × 23 × 4549

Starting at 3,557,318, the Collatz iteration reaches 1 after 146 steps. The first transition is 1778659; the starting value is even with 16 positive divisors.

Prime Factor Structure

Factorization String 2 × 17 × 23 × 4549

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 5,896,800

Proper Divisor Sum 2,339,482

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #3557303 ← → #3557327

Radix Representation

Decimal	3557318
Binary	1101100100011111000110 (22 bits)
Octal	0o15443706
Hexadecimal	0x3647C6

Divisor Catalog (16)

1 2 17 23 34 46 391 782 4,549 9,098 77,333 104,627 154,666 209,254 1,778,659 3,557,318

Collatz Trajectory (146 steps to reach 1)

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

3,557,318 1,778,659 5,335,978 2,667,989 8,003,968 4,001,984 2,000,992 1,000,496 500,248 250,124 125,062 62,531 187,594 93,797 281,392 140,696 70,348 35,174 17,587 52,762 26,381 79,144 39,572 19,786 9,893 29,680 14,840 7,420 3,710 1,855 5,566 2,783 8,350 4,175 12,526 6,263 18,790 9,395 28,186 14,093 42,280 21,140 10,570 5,285 15,856 7,928 3,964 1,982 991 2,974 1,487 4,462 2,231 6,694 3,347 10,042 5,021 15,064 7,532 3,766

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