1,320,005

5 × 227 × 1163

1,320,005 factors as 5 × 227 × 1163. Its 8 positive divisors give a proper-divisor sum of 272,347, so this integer is deficient. The Collatz stopping time is 93 steps.

Prime Factor Structure

Factorization String 5 × 227 × 1163

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 1,592,352

Proper Divisor Sum 272,347

Digit Sum / Digital Root 11 (Root: 2)

Adjacent Primes #1319963 ← → #1320019

Radix Representation

Decimal	1320005
Binary	101000010010001000101 (21 bits)
Octal	0o5022105
Hexadecimal	0x142445

Divisor Catalog (8)

1 5 227 1,135 1,163 5,815 264,001 1,320,005

Collatz Trajectory (93 steps to reach 1)

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

1,320,005 3,960,016 1,980,008 990,004 495,002 247,501 742,504 371,252 185,626 92,813 278,440 139,220 69,610 34,805 104,416 52,208 26,104 13,052 6,526 3,263 9,790 4,895 14,686 7,343 22,030 11,015 33,046 16,523 49,570 24,785 74,356 37,178 18,589 55,768 27,884 13,942 6,971 20,914 10,457 31,372 15,686 7,843 23,530 11,765 35,296 17,648 8,824 4,412 2,206 1,103 3,310 1,655 4,966 2,483 7,450 3,725 11,176 5,588 2,794 1,397

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