2⁴ × 5² × 977

Prime Factor Structure

Factorization String 2^4 × 5^2 × 977

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 30

Divisor Sum (σ) 939,858

Proper Divisor Sum 549,058

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #390791 ← → #390809

1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 977 1,954 3,908 4,885 7,816 9,770 15,632 19,540 24,425 39,080 48,850 78,160 97,700 195,400 390,800

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

390,800 195,400 97,700 48,850 24,425 73,276 36,638 18,319 54,958 27,479 82,438 41,219 123,658 61,829 185,488 92,744 46,372 23,186 11,593 34,780 17,390 8,695 26,086 13,043 39,130 19,565 58,696 29,348 14,674 7,337 22,012 11,006 5,503 16,510 8,255 24,766 12,383 37,150 18,575 55,726 27,863 83,590 41,795 125,386 62,693 188,080 94,040 47,020 23,510 11,755 35,266 17,633 52,900 26,450 13,225 39,676 19,838 9,919 29,758 14,879

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