3 × 5 × 47 × 307

Prime Factor Structure

Factorization String 3 × 5 × 47 × 307

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 354,816

Proper Divisor Sum 138,381

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #216431 ← → #216451

1 3 5 15 47 141 235 307 705 921 1,535 4,605 14,429 43,287 72,145 216,435

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

216,435 649,306 324,653 973,960 486,980 243,490 121,745 365,236 182,618 91,309 273,928 136,964 68,482 34,241 102,724 51,362 25,681 77,044 38,522 19,261 57,784 28,892 14,446 7,223 21,670 10,835 32,506 16,253 48,760 24,380 12,190 6,095 18,286 9,143 27,430 13,715 41,146 20,573 61,720 30,860 15,430 7,715 23,146 11,573 34,720 17,360 8,680 4,340 2,170 1,085 3,256 1,628 814 407 1,222 611 1,834 917 2,752 1,376

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