λ
Ratio Atlas
Atlas › Integer Profiles › Node 21,395,575
21,395,575
52 × 47 × 131 × 139
Deficient Odd Composite

Prime Factor Structure

Factorization String 5^2 × 47 × 131 × 139
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 24
Divisor Sum (σ) 27,498,240
Proper Divisor Sum 6,102,665
Digit Sum / Digital Root 37 (Root: 1)
Adjacent Primes #21395551 ← → #21395587

Radix Representation

Decimal 21395575
Binary 1010001100111100001110111 (25 bits)
Octal 0o121474167
Hexadecimal 0x1467877

Divisor Catalog (24)

1 5 25 47 131 139 235 655 695 1,175 3,275 3,475 6,157 6,533 18,209 30,785 32,665 91,045 153,925 163,325 455,225 855,823 4,279,115 21,395,575

Collatz Trajectory (234 steps to reach 1)

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

21,395,575 64,186,726 32,093,363 96,280,090 48,140,045 144,420,136 72,210,068 36,105,034 18,052,517 54,157,552 27,078,776 13,539,388 6,769,694 3,384,847 10,154,542 5,077,271 15,231,814 7,615,907 22,847,722 11,423,861 34,271,584 17,135,792 8,567,896 4,283,948 2,141,974 1,070,987 3,212,962 1,606,481 4,819,444 2,409,722 1,204,861 3,614,584 1,807,292 903,646 451,823 1,355,470 677,735 2,033,206 1,016,603 3,049,810 1,524,905 4,574,716 2,287,358 1,143,679 3,431,038 1,715,519 5,146,558 2,573,279 7,719,838 3,859,919 11,579,758 5,789,879 17,369,638 8,684,819 26,054,458 13,027,229 39,081,688 19,540,844 9,770,422 4,885,211

Active Feeder Network

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

Feeder #6,411,996 Feeder #5,213,165 Feeder #8,297,652 Feeder #906,051 Feeder #1,285,993 Feeder #7,584,379 Feeder #4,761,186 Feeder #626,174
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