1,328,369

7 × 189767

Starting at 1,328,369, the Collatz iteration reaches 1 after 93 steps. The first transition is 3985108; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 7 × 189767

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,518,144

Proper Divisor Sum 189,775

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #1328357 ← → #1328387

Radix Representation

Decimal	1328369
Binary	101000100010011110001 (21 bits)
Octal	0o5042361
Hexadecimal	0x1444F1

Divisor Catalog (4)

1 7 189,767 1,328,369

Collatz Trajectory (93 steps to reach 1)

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

1,328,369 3,985,108 1,992,554 996,277 2,988,832 1,494,416 747,208 373,604 186,802 93,401 280,204 140,102 70,051 210,154 105,077 315,232 157,616 78,808 39,404 19,702 9,851 29,554 14,777 44,332 22,166 11,083 33,250 16,625 49,876 24,938 12,469 37,408 18,704 9,352 4,676 2,338 1,169 3,508 1,754 877 2,632 1,316 658 329 988 494 247 742 371 1,114 557 1,672 836 418 209 628 314 157 472 236

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