λ
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2,183,115

3 × 5 × 11 × 101 × 131
Deficient Odd Composite

2,183,115 factors as 3 × 5 × 11 × 101 × 131. Its 32 positive divisors give a proper-divisor sum of 1,694,517, so this integer is deficient. The Collatz stopping time is 135 steps.

Prime Factor Structure

Factorization String 3 × 5 × 11 × 101 × 131
Distinct Prime Factors 5
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 32
Divisor Sum (σ) 3,877,632
Proper Divisor Sum 1,694,517
Digit Sum / Digital Root 21 (Root: 3)
Adjacent Primes #2183107 ← → #2183117

Radix Representation

Decimal 2183115
Binary 1000010100111111001011 (22 bits)
Octal 0o10247713
Hexadecimal 0x214FCB

Divisor Catalog (32)

1 3 5 11 15 33 55 101 131 165 303 393 505 655 1,111 1,441 1,515 1,965 3,333 4,323 5,555 7,205 13,231 16,665 21,615 39,693 66,155 145,541 198,465 436,623 727,705 2,183,115

Collatz Trajectory (135 steps to reach 1)

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

2,183,115 6,549,346 3,274,673 9,824,020 4,912,010 2,456,005 7,368,016 3,684,008 1,842,004 921,002 460,501 1,381,504 690,752 345,376 172,688 86,344 43,172 21,586 10,793 32,380 16,190 8,095 24,286 12,143 36,430 18,215 54,646 27,323 81,970 40,985 122,956 61,478 30,739 92,218 46,109 138,328 69,164 34,582 17,291 51,874 25,937 77,812 38,906 19,453 58,360 29,180 14,590 7,295 21,886 10,943 32,830 16,415 49,246 24,623 73,870 36,935 110,806 55,403 166,210 83,105

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