2² × 3² × 29 × 139

Prime Factor Structure

Factorization String 2^2 × 3^2 × 29 × 139

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 382,200

Proper Divisor Sum 237,084

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #145109 ← → #145121

1 2 3 4 6 9 12 18 29 36 58 87 116 139 174 261 278 348 417 522 556 834 1,044 1,251 1,668 2,502 4,031 5,004 8,062 12,093 16,124 24,186 36,279 48,372 72,558 145,116

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

145,116 72,558 36,279 108,838 54,419 163,258 81,629 244,888 122,444 61,222 30,611 91,834 45,917 137,752 68,876 34,438 17,219 51,658 25,829 77,488 38,744 19,372 9,686 4,843 14,530 7,265 21,796 10,898 5,449 16,348 8,174 4,087 12,262 6,131 18,394 9,197 27,592 13,796 6,898 3,449 10,348 5,174 2,587 7,762 3,881 11,644 5,822 2,911 8,734 4,367 13,102 6,551 19,654 9,827 29,482 14,741 44,224 22,112 11,056 5,528

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