13 × 53 × 127

Prime Factor Structure

Factorization String 13 × 53 × 127

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 96,768

Proper Divisor Sum 9,265

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #87491 ← → #87509

1 13 53 127 689 1,651 6,731 87,503

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

87,503 262,510 131,255 393,766 196,883 590,650 295,325 885,976 442,988 221,494 110,747 332,242 166,121 498,364 249,182 124,591 373,774 186,887 560,662 280,331 840,994 420,497 1,261,492 630,746 315,373 946,120 473,060 236,530 118,265 354,796 177,398 88,699 266,098 133,049 399,148 199,574 99,787 299,362 149,681 449,044 224,522 112,261 336,784 168,392 84,196 42,098 21,049 63,148 31,574 15,787 47,362 23,681 71,044 35,522 17,761 53,284 26,642 13,321 39,964 19,982

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