1,321,901

7 × 188843

1,321,901 factors as 7 × 188843. Its 4 positive divisors give a proper-divisor sum of 188,851, so this integer is deficient. The Collatz stopping time is 124 steps.

Prime Factor Structure

Factorization String 7 × 188843

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,510,752

Proper Divisor Sum 188,851

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #1321897 ← → #1321919

Radix Representation

Decimal	1321901
Binary	101000010101110101101 (21 bits)
Octal	0o5025655
Hexadecimal	0x142BAD

Divisor Catalog (4)

1 7 188,843 1,321,901

Collatz Trajectory (124 steps to reach 1)

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

1,321,901 3,965,704 1,982,852 991,426 495,713 1,487,140 743,570 371,785 1,115,356 557,678 278,839 836,518 418,259 1,254,778 627,389 1,882,168 941,084 470,542 235,271 705,814 352,907 1,058,722 529,361 1,588,084 794,042 397,021 1,191,064 595,532 297,766 148,883 446,650 223,325 669,976 334,988 167,494 83,747 251,242 125,621 376,864 188,432 94,216 47,108 23,554 11,777 35,332 17,666 8,833 26,500 13,250 6,625 19,876 9,938 4,969 14,908 7,454 3,727 11,182 5,591 16,774 8,387

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