1,775,396

2² × 7 × 163 × 389

Starting at 1,775,396, the Collatz iteration reaches 1 after 158 steps. The first transition is 887698; the starting value is even with 24 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 7 × 163 × 389

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 3,581,760

Proper Divisor Sum 1,806,364

Digit Sum / Digital Root 38 (Root: 2)

Adjacent Primes #1775387 ← → #1775399

Radix Representation

Decimal	1775396
Binary	110110001011100100100 (21 bits)
Octal	0o6613444
Hexadecimal	0x1B1724

Divisor Catalog (24)

1 2 4 7 14 28 163 326 389 652 778 1,141 1,556 2,282 2,723 4,564 5,446 10,892 63,407 126,814 253,628 443,849 887,698 1,775,396

Collatz Trajectory (158 steps to reach 1)

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

1,775,396 887,698 443,849 1,331,548 665,774 332,887 998,662 499,331 1,497,994 748,997 2,246,992 1,123,496 561,748 280,874 140,437 421,312 210,656 105,328 52,664 26,332 13,166 6,583 19,750 9,875 29,626 14,813 44,440 22,220 11,110 5,555 16,666 8,333 25,000 12,500 6,250 3,125 9,376 4,688 2,344 1,172 586 293 880 440 220 110 55 166 83 250 125 376 188 94 47 142 71 214 107 322

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