2,791,605

3 × 5 × 186107

Starting at 2,791,605, the Collatz iteration reaches 1 after 169 steps. The first transition is 8374816; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 3 × 5 × 186107

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 4,466,592

Proper Divisor Sum 1,674,987

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #2791597 ← → #2791631

Radix Representation

Decimal	2791605
Binary	1010101001100010110101 (22 bits)
Octal	0o12514265
Hexadecimal	0x2A98B5

Divisor Catalog (8)

1 3 5 15 186,107 558,321 930,535 2,791,605

Collatz Trajectory (169 steps to reach 1)

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

2,791,605 8,374,816 4,187,408 2,093,704 1,046,852 523,426 261,713 785,140 392,570 196,285 588,856 294,428 147,214 73,607 220,822 110,411 331,234 165,617 496,852 248,426 124,213 372,640 186,320 93,160 46,580 23,290 11,645 34,936 17,468 8,734 4,367 13,102 6,551 19,654 9,827 29,482 14,741 44,224 22,112 11,056 5,528 2,764 1,382 691 2,074 1,037 3,112 1,556 778 389 1,168 584 292 146 73 220 110 55 166 83

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