3² × 7 × 29 × 43

Prime Factor Structure

Factorization String 3^2 × 7 × 29 × 43

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 137,280

Proper Divisor Sum 58,719

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #78553 ← → #78569

1 3 7 9 21 29 43 63 87 129 203 261 301 387 609 903 1,247 1,827 2,709 3,741 8,729 11,223 26,187 78,561

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

78,561 235,684 117,842 58,921 176,764 88,382 44,191 132,574 66,287 198,862 99,431 298,294 149,147 447,442 223,721 671,164 335,582 167,791 503,374 251,687 755,062 377,531 1,132,594 566,297 1,698,892 849,446 424,723 1,274,170 637,085 1,911,256 955,628 477,814 238,907 716,722 358,361 1,075,084 537,542 268,771 806,314 403,157 1,209,472 604,736 302,368 151,184 75,592 37,796 18,898 9,449 28,348 14,174 7,087 21,262 10,631 31,894 15,947 47,842 23,921 71,764 35,882 17,941

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