2,366,661

3 × 11 × 29 × 2473

Starting at 2,366,661, the Collatz iteration reaches 1 after 161 steps. The first transition is 7099984; the starting value is odd with 16 positive divisors.

Prime Factor Structure

Factorization String 3 × 11 × 29 × 2473

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,562,560

Proper Divisor Sum 1,195,899

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #2366657 ← → #2366669

Radix Representation

Decimal	2366661
Binary	1001000001110011000101 (22 bits)
Octal	0o11016305
Hexadecimal	0x241CC5

Divisor Catalog (16)

1 3 11 29 33 87 319 957 2,473 7,419 27,203 71,717 81,609 215,151 788,887 2,366,661

Collatz Trajectory (161 steps to reach 1)

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

2,366,661 7,099,984 3,549,992 1,774,996 887,498 443,749 1,331,248 665,624 332,812 166,406 83,203 249,610 124,805 374,416 187,208 93,604 46,802 23,401 70,204 35,102 17,551 52,654 26,327 78,982 39,491 118,474 59,237 177,712 88,856 44,428 22,214 11,107 33,322 16,661 49,984 24,992 12,496 6,248 3,124 1,562 781 2,344 1,172 586 293 880 440 220 110 55 166 83 250 125 376 188 94 47 142 71

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