155,826

2 × 3² × 11 × 787

155,826 is even and not a perfect square. Its factorization is 2 × 3^2 × 11 × 787 and its 24 divisors sum to 368,784.

Prime Factor Structure

Factorization String 2 × 3^2 × 11 × 787

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 24

Divisor Sum (σ) 368,784

Proper Divisor Sum 212,958

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #155821 ← → #155833

1 2 3 6 9 11 18 22 33 66 99 198 787 1,574 2,361 4,722 7,083 8,657 14,166 17,314 25,971 51,942 77,913 155,826

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

155,826 77,913 233,740 116,870 58,435 175,306 87,653 262,960 131,480 65,740 32,870 16,435 49,306 24,653 73,960 36,980 18,490 9,245 27,736 13,868 6,934 3,467 10,402 5,201 15,604 7,802 3,901 11,704 5,852 2,926 1,463 4,390 2,195 6,586 3,293 9,880 4,940 2,470 1,235 3,706 1,853 5,560 2,780 1,390 695 2,086 1,043 3,130 1,565 4,696 2,348 1,174 587 1,762 881 2,644 1,322 661 1,984 992

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