2 × 7² × 12689

Prime Factor Structure

Factorization String 2 × 7^2 × 12689

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 2,169,990

Proper Divisor Sum 926,468

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #1243511 ← → #1243523

1 2 7 14 49 98 12,689 25,378 88,823 177,646 621,761 1,243,522

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

1,243,522 621,761 1,865,284 932,642 466,321 1,398,964 699,482 349,741 1,049,224 524,612 262,306 131,153 393,460 196,730 98,365 295,096 147,548 73,774 36,887 110,662 55,331 165,994 82,997 248,992 124,496 62,248 31,124 15,562 7,781 23,344 11,672 5,836 2,918 1,459 4,378 2,189 6,568 3,284 1,642 821 2,464 1,232 616 308 154 77 232 116 58 29 88 44 22 11 34 17 52 26 13 40

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