1,860,523

7 × 67 × 3967

Starting at 1,860,523, the Collatz iteration reaches 1 after 140 steps. The first transition is 5581570; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 7 × 67 × 3967

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 2,158,592

Proper Divisor Sum 298,069

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #1860517 ← → #1860533

Radix Representation

Decimal	1860523
Binary	111000110001110101011 (21 bits)
Octal	0o7061653
Hexadecimal	0x1C63AB

Divisor Catalog (8)

1 7 67 469 3,967 27,769 265,789 1,860,523

Collatz Trajectory (140 steps to reach 1)

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

1,860,523 5,581,570 2,790,785 8,372,356 4,186,178 2,093,089 6,279,268 3,139,634 1,569,817 4,709,452 2,354,726 1,177,363 3,532,090 1,766,045 5,298,136 2,649,068 1,324,534 662,267 1,986,802 993,401 2,980,204 1,490,102 745,051 2,235,154 1,117,577 3,352,732 1,676,366 838,183 2,514,550 1,257,275 3,771,826 1,885,913 5,657,740 2,828,870 1,414,435 4,243,306 2,121,653 6,364,960 3,182,480 1,591,240 795,620 397,810 198,905 596,716 298,358 149,179 447,538 223,769 671,308 335,654 167,827 503,482 251,741 755,224 377,612 188,806 94,403 283,210 141,605 424,816

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