1,425,140

2² × 5 × 71257

1,425,140 factors as 2^2 × 5 × 71257. Its 12 positive divisors give a proper-divisor sum of 1,567,696, so this integer is abundant. The Collatz stopping time is 181 steps.

Prime Factor Structure

Factorization String 2^2 × 5 × 71257

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 2,992,836

Proper Divisor Sum 1,567,696

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #1425139 ← → #1425169

Radix Representation

Decimal	1425140
Binary	101011011111011110100 (21 bits)
Octal	0o5337364
Hexadecimal	0x15BEF4

Divisor Catalog (12)

1 2 4 5 10 20 71,257 142,514 285,028 356,285 712,570 1,425,140

Collatz Trajectory (181 steps to reach 1)

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

1,425,140 712,570 356,285 1,068,856 534,428 267,214 133,607 400,822 200,411 601,234 300,617 901,852 450,926 225,463 676,390 338,195 1,014,586 507,293 1,521,880 760,940 380,470 190,235 570,706 285,353 856,060 428,030 214,015 642,046 321,023 963,070 481,535 1,444,606 722,303 2,166,910 1,083,455 3,250,366 1,625,183 4,875,550 2,437,775 7,313,326 3,656,663 10,969,990 5,484,995 16,454,986 8,227,493 24,682,480 12,341,240 6,170,620 3,085,310 1,542,655 4,627,966 2,313,983 6,941,950 3,470,975 10,412,926 5,206,463 15,619,390 7,809,695 23,429,086 11,714,543

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