λ
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980,145

32 × 5 × 23 × 947
Deficient Odd Composite

980,145 factors as 3^2 × 5 × 23 × 947. Its 24 positive divisors give a proper-divisor sum of 794,511, so this integer is deficient. The Collatz stopping time is 90 steps.

Prime Factor Structure

Factorization String 3^2 × 5 × 23 × 947
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 24
Divisor Sum (σ) 1,774,656
Proper Divisor Sum 794,511
Digit Sum / Digital Root 27 (Root: 9)
Adjacent Primes #980137 ← → #980149

Radix Representation

Decimal 980145
Binary 11101111010010110001 (20 bits)
Octal 0o3572261
Hexadecimal 0xEF4B1

Divisor Catalog (24)

1 3 5 9 15 23 45 69 115 207 345 947 1,035 2,841 4,735 8,523 14,205 21,781 42,615 65,343 108,905 196,029 326,715 980,145

Collatz Trajectory (90 steps to reach 1)

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

980,145 2,940,436 1,470,218 735,109 2,205,328 1,102,664 551,332 275,666 137,833 413,500 206,750 103,375 310,126 155,063 465,190 232,595 697,786 348,893 1,046,680 523,340 261,670 130,835 392,506 196,253 588,760 294,380 147,190 73,595 220,786 110,393 331,180 165,590 82,795 248,386 124,193 372,580 186,290 93,145 279,436 139,718 69,859 209,578 104,789 314,368 157,184 78,592 39,296 19,648 9,824 4,912 2,456 1,228 614 307 922 461 1,384 692 346 173

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