1,222,005

3 × 5 × 41 × 1987

Prime Factor Structure

Factorization String 3 × 5 × 41 × 1987

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 2,003,904

Proper Divisor Sum 781,899

Digit Sum / Digital Root 12 (Root: 3)

Adjacent Primes #1222003 ← → #1222019

1 3 5 15 41 123 205 615 1,987 5,961 9,935 29,805 81,467 244,401 407,335 1,222,005

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

1,222,005 3,666,016 1,833,008 916,504 458,252 229,126 114,563 343,690 171,845 515,536 257,768 128,884 64,442 32,221 96,664 48,332 24,166 12,083 36,250 18,125 54,376 27,188 13,594 6,797 20,392 10,196 5,098 2,549 7,648 3,824 1,912 956 478 239 718 359 1,078 539 1,618 809 2,428 1,214 607 1,822 911 2,734 1,367 4,102 2,051 6,154 3,077 9,232 4,616 2,308 1,154 577 1,732 866 433 1,300

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