18,559

67 × 277

Prime Factor Structure

Factorization String 67 × 277

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Total Divisors 4

Divisor Sum (σ) 18,904

Proper Divisor Sum 345

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #18553 ← → #18583

1 67 277 18,559

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

18,559 55,678 27,839 83,518 41,759 125,278 62,639 187,918 93,959 281,878 140,939 422,818 211,409 634,228 317,114 158,557 475,672 237,836 118,918 59,459 178,378 89,189 267,568 133,784 66,892 33,446 16,723 50,170 25,085 75,256 37,628 18,814 9,407 28,222 14,111 42,334 21,167 63,502 31,751 95,254 47,627 142,882 71,441 214,324 107,162 53,581 160,744 80,372 40,186 20,093 60,280 30,140 15,070 7,535 22,606 11,303 33,910 16,955 50,866 25,433

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