1,212,901

43 × 67 × 421

1,212,901 factors as 43 × 67 × 421. Its 8 positive divisors give a proper-divisor sum of 49,723, so this integer is deficient. The Collatz stopping time is 235 steps.

Prime Factor Structure

Factorization String 43 × 67 × 421

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 1,262,624

Proper Divisor Sum 49,723

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #1212889 ← → #1212907

Radix Representation

Decimal	1212901
Binary	100101000000111100101 (21 bits)
Octal	0o4500745
Hexadecimal	0x1281E5

Divisor Catalog (8)

1 43 67 421 2,881 18,103 28,207 1,212,901

Collatz Trajectory (235 steps to reach 1)

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

1,212,901 3,638,704 1,819,352 909,676 454,838 227,419 682,258 341,129 1,023,388 511,694 255,847 767,542 383,771 1,151,314 575,657 1,726,972 863,486 431,743 1,295,230 647,615 1,942,846 971,423 2,914,270 1,457,135 4,371,406 2,185,703 6,557,110 3,278,555 9,835,666 4,917,833 14,753,500 7,376,750 3,688,375 11,065,126 5,532,563 16,597,690 8,298,845 24,896,536 12,448,268 6,224,134 3,112,067 9,336,202 4,668,101 14,004,304 7,002,152 3,501,076 1,750,538 875,269 2,625,808 1,312,904 656,452 328,226 164,113 492,340 246,170 123,085 369,256 184,628 92,314 46,157

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