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Ratio Atlas
Atlas › Integer Profiles › Node 21,361,390
21,361,390
2 × 5 × 2136139
Deficient Even Composite

Prime Factor Structure

Factorization String 2 × 5 × 2136139
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 38,450,520
Proper Divisor Sum 17,089,130
Digit Sum / Digital Root 25 (Root: 7)
Adjacent Primes #21361303 ← → #21361391

Radix Representation

Decimal 21361390
Binary 1010001011111001011101110 (25 bits)
Octal 0o121371356
Hexadecimal 0x145F2EE

Divisor Catalog (8)

1 2 5 10 2,136,139 4,272,278 10,680,695 21,361,390

Collatz Trajectory (102 steps to reach 1)

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

21,361,390 10,680,695 32,042,086 16,021,043 48,063,130 24,031,565 72,094,696 36,047,348 18,023,674 9,011,837 27,035,512 13,517,756 6,758,878 3,379,439 10,138,318 5,069,159 15,207,478 7,603,739 22,811,218 11,405,609 34,216,828 17,108,414 8,554,207 25,662,622 12,831,311 38,493,934 19,246,967 57,740,902 28,870,451 86,611,354 43,305,677 129,917,032 64,958,516 32,479,258 16,239,629 48,718,888 24,359,444 12,179,722 6,089,861 18,269,584 9,134,792 4,567,396 2,283,698 1,141,849 3,425,548 1,712,774 856,387 2,569,162 1,284,581 3,853,744 1,926,872 963,436 481,718 240,859 722,578 361,289 1,083,868 541,934 270,967 812,902

Active Feeder Network

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

Feeder #3,913,373 Feeder #8,365,252 Feeder #6,970,568 Feeder #906,051 Feeder #1,285,993 Feeder #7,584,379 Feeder #4,761,186 Feeder #626,174
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