2² × 3 × 137 × 157

Prime Factor Structure

Factorization String 2^2 × 3 × 137 × 157

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 610,512

Proper Divisor Sum 352,404

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #258107 ← → #258109

1 2 3 4 6 12 137 157 274 314 411 471 548 628 822 942 1,644 1,884 21,509 43,018 64,527 86,036 129,054 258,108

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

258,108 129,054 64,527 193,582 96,791 290,374 145,187 435,562 217,781 653,344 326,672 163,336 81,668 40,834 20,417 61,252 30,626 15,313 45,940 22,970 11,485 34,456 17,228 8,614 4,307 12,922 6,461 19,384 9,692 4,846 2,423 7,270 3,635 10,906 5,453 16,360 8,180 4,090 2,045 6,136 3,068 1,534 767 2,302 1,151 3,454 1,727 5,182 2,591 7,774 3,887 11,662 5,831 17,494 8,747 26,242 13,121 39,364 19,682 9,841

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