1,876,250

2 × 5⁴ × 19 × 79

Starting at 1,876,250, the Collatz iteration reaches 1 after 140 steps. The first transition is 938125; the starting value is even with 40 positive divisors.

Prime Factor Structure

Factorization String 2 × 5^4 × 19 × 79

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 40

Divisor Sum (σ) 3,748,800

Proper Divisor Sum 1,872,550

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #1876249 ← → #1876261

Radix Representation

Decimal	1876250
Binary	111001010000100011010 (21 bits)
Octal	0o7120432
Hexadecimal	0x1CA11A

Divisor Catalog (40)

1 2 5 10 19 25 38 50 79 95 125 158 190 250 395 475 625 790 950 1,250 1,501 1,975 2,375 3,002 3,950 4,750 7,505 9,875 11,875 15,010 19,750 23,750 37,525 49,375 75,050 98,750 187,625 375,250 938,125 1,876,250

Collatz Trajectory (140 steps to reach 1)

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

1,876,250 938,125 2,814,376 1,407,188 703,594 351,797 1,055,392 527,696 263,848 131,924 65,962 32,981 98,944 49,472 24,736 12,368 6,184 3,092 1,546 773 2,320 1,160 580 290 145 436 218 109 328 164 82 41 124 62 31 94 47 142 71 214 107 322 161 484 242 121 364 182 91 274 137 412 206 103 310 155 466 233 700 350

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