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Atlas › Integer Profiles › Node 1,721,920

1,721,920

26 × 5 × 5381
Abundant Even Composite

Prime Factor Structure

Factorization String 2^6 × 5 × 5381
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 28
Divisor Sum (σ) 4,101,084
Proper Divisor Sum 2,379,164
Digit Sum / Digital Root 22 (Root: 4)
Adjacent Primes #1721911 ← → #1721921

Radix Representation

Decimal 1721920
Binary 110100100011001000000 (21 bits)
Octal 0o6443100
Hexadecimal 0x1A4640

Divisor Catalog (28)

1 2 4 5 8 10 16 20 32 40 64 80 160 320 5,381 10,762 21,524 26,905 43,048 53,810 86,096 107,620 172,192 215,240 344,384 430,480 860,960 1,721,920

Collatz Trajectory (145 steps to reach 1)

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

1,721,920 860,960 430,480 215,240 107,620 53,810 26,905 80,716 40,358 20,179 60,538 30,269 90,808 45,404 22,702 11,351 34,054 17,027 51,082 25,541 76,624 38,312 19,156 9,578 4,789 14,368 7,184 3,592 1,796 898 449 1,348 674 337 1,012 506 253 760 380 190 95 286 143 430 215 646 323 970 485 1,456 728 364 182 91 274 137 412 206 103 310

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