2³ × 5 × 97 × 103

Prime Factor Structure

Factorization String 2^3 × 5 × 97 × 103

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 917,280

Proper Divisor Sum 517,640

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #399617 ← → #399643

1 2 4 5 8 10 20 40 97 103 194 206 388 412 485 515 776 824 970 1,030 1,940 2,060 3,880 4,120 9,991 19,982 39,964 49,955 79,928 99,910 199,820 399,640

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

399,640 199,820 99,910 49,955 149,866 74,933 224,800 112,400 56,200 28,100 14,050 7,025 21,076 10,538 5,269 15,808 7,904 3,952 1,976 988 494 247 742 371 1,114 557 1,672 836 418 209 628 314 157 472 236 118 59 178 89 268 134 67 202 101 304 152 76 38 19 58 29 88 44 22 11 34 17 52 26 13

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