λ
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Atlas › Integer Profiles › Node 1,061,660

1,061,660

22 × 5 × 109 × 487
Abundant Even Composite

1,061,660 factors as 2^2 × 5 × 109 × 487. Its 24 positive divisors give a proper-divisor sum of 1,192,900, so this integer is abundant. The Collatz stopping time is 134 steps.

Prime Factor Structure

Factorization String 2^2 × 5 × 109 × 487
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 24
Divisor Sum (σ) 2,254,560
Proper Divisor Sum 1,192,900
Digit Sum / Digital Root 20 (Root: 2)
Adjacent Primes #1061651 ← → #1061677

Radix Representation

Decimal 1061660
Binary 100000011001100011100 (21 bits)
Octal 0o4031434
Hexadecimal 0x10331C

Divisor Catalog (24)

1 2 4 5 10 20 109 218 436 487 545 974 1,090 1,948 2,180 2,435 4,870 9,740 53,083 106,166 212,332 265,415 530,830 1,061,660

Collatz Trajectory (134 steps to reach 1)

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

1,061,660 530,830 265,415 796,246 398,123 1,194,370 597,185 1,791,556 895,778 447,889 1,343,668 671,834 335,917 1,007,752 503,876 251,938 125,969 377,908 188,954 94,477 283,432 141,716 70,858 35,429 106,288 53,144 26,572 13,286 6,643 19,930 9,965 29,896 14,948 7,474 3,737 11,212 5,606 2,803 8,410 4,205 12,616 6,308 3,154 1,577 4,732 2,366 1,183 3,550 1,775 5,326 2,663 7,990 3,995 11,986 5,993 17,980 8,990 4,495 13,486 6,743

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