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Atlas › Integer Profiles › Node 21,054,005

21,054,005

5 × 7 × 601543
Deficient Odd Composite

Prime Factor Structure

Factorization String 5 × 7 × 601543
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 28,874,112
Proper Divisor Sum 7,820,107
Digit Sum / Digital Root 17 (Root: 8)
Adjacent Primes #21053987 ← → #21054017

Radix Representation

Decimal 21054005
Binary 1010000010100001000110101 (25 bits)
Octal 0o120241065
Hexadecimal 0x1414235

Divisor Catalog (8)

1 5 7 35 601,543 3,007,715 4,210,801 21,054,005

Collatz Trajectory (66 steps to reach 1)

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

21,054,005 63,162,016 31,581,008 15,790,504 7,895,252 3,947,626 1,973,813 5,921,440 2,960,720 1,480,360 740,180 370,090 185,045 555,136 277,568 138,784 69,392 34,696 17,348 8,674 4,337 13,012 6,506 3,253 9,760 4,880 2,440 1,220 610 305 916 458 229 688 344 172 86 43 130 65 196 98 49 148 74 37 112 56 28 14 7 22 11 34 17 52 26 13 40 20

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