1,569,876

2² × 3 × 7 × 11 × 1699

Starting at 1,569,876, the Collatz iteration reaches 1 after 163 steps. The first transition is 784938; the starting value is even with 48 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 3 × 7 × 11 × 1699

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 4,569,600

Proper Divisor Sum 2,999,724

Digit Sum / Digital Root 42 (Root: 6)

Adjacent Primes #1569859 ← → #1569889

Radix Representation

Decimal	1569876
Binary	101111111010001010100 (21 bits)
Octal	0o5772124
Hexadecimal	0x17F454

Divisor Catalog (48)

1 2 3 4 6 7 11 12 14 21 22 28 33 42 44 66 77 84 132 154 231 308 462 924 1,699 3,398 5,097 6,796 10,194 11,893 18,689 20,388 23,786 35,679 37,378 47,572 56,067 71,358 74,756 112,134 130,823 142,716 224,268 261,646 392,469 523,292 784,938 1,569,876

Collatz Trajectory (163 steps to reach 1)

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

1,569,876 784,938 392,469 1,177,408 588,704 294,352 147,176 73,588 36,794 18,397 55,192 27,596 13,798 6,899 20,698 10,349 31,048 15,524 7,762 3,881 11,644 5,822 2,911 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 83 250 125 376 188 94 47

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