λ
Ratio Atlas
Atlas › Integer Profiles › Node 21,391,090
21,391,090
2 × 5 × 7 × 67 × 4561
Abundant Even Composite

Prime Factor Structure

Factorization String 2 × 5 × 7 × 67 × 4561
Distinct Prime Factors 5
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 32
Divisor Sum (σ) 44,671,104
Proper Divisor Sum 23,280,014
Digit Sum / Digital Root 25 (Root: 7)
Adjacent Primes #21391057 ← → #21391091

Radix Representation

Decimal 21391090
Binary 1010001100110011011110010 (25 bits)
Octal 0o121463362
Hexadecimal 0x14666F2

Divisor Catalog (32)

1 2 5 7 10 14 35 67 70 134 335 469 670 938 2,345 4,561 4,690 9,122 22,805 31,927 45,610 63,854 159,635 305,587 319,270 611,174 1,527,935 2,139,109 3,055,870 4,278,218 10,695,545 21,391,090

Collatz Trajectory (234 steps to reach 1)

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

21,391,090 10,695,545 32,086,636 16,043,318 8,021,659 24,064,978 12,032,489 36,097,468 18,048,734 9,024,367 27,073,102 13,536,551 40,609,654 20,304,827 60,914,482 30,457,241 91,371,724 45,685,862 22,842,931 68,528,794 34,264,397 102,793,192 51,396,596 25,698,298 12,849,149 38,547,448 19,273,724 9,636,862 4,818,431 14,455,294 7,227,647 21,682,942 10,841,471 32,524,414 16,262,207 48,786,622 24,393,311 73,179,934 36,589,967 109,769,902 54,884,951 164,654,854 82,327,427 246,982,282 123,491,141 370,473,424 185,236,712 92,618,356 46,309,178 23,154,589 69,463,768 34,731,884 17,365,942 8,682,971 26,048,914 13,024,457 39,073,372 19,536,686 9,768,343 29,305,030

Active Feeder Network

Other feeder batches with open delivery windows. Each feeder keeps its own target batch.

Feeder #7,737,779 Feeder #685,881 Feeder #2,871,188 Feeder #906,051 Feeder #1,285,993 Feeder #7,584,379 Feeder #4,761,186 Feeder #626,174
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