λ
Ratio Atlas
Atlas › Integer Profiles › Node 81,090
81,090
2 × 32 × 5 × 17 × 53
Abundant Even Composite

Prime Factor Structure

Factorization String 2 × 3^2 × 5 × 17 × 53
Distinct Prime Factors 5
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 48
Divisor Sum (σ) 227,448
Proper Divisor Sum 146,358
Digit Sum / Digital Root 18 (Root: 9)
Adjacent Primes #81083 ← → #81097

Radix Representation

Decimal 81090
Binary 10011110011000010 (17 bits)
Octal 0o236302
Hexadecimal 0x13CC2

Divisor Catalog (48)

1 2 3 5 6 9 10 15 17 18 30 34 45 51 53 85 90 102 106 153 159 170 255 265 306 318 477 510 530 765 795 901 954 1,530 1,590 1,802 2,385 2,703 4,505 4,770 5,406 8,109 9,010 13,515 16,218 27,030 40,545 81,090

Collatz Trajectory (63 steps to reach 1)

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

81,090 40,545 121,636 60,818 30,409 91,228 45,614 22,807 68,422 34,211 102,634 51,317 153,952 76,976 38,488 19,244 9,622 4,811 14,434 7,217 21,652 10,826 5,413 16,240 8,120 4,060 2,030 1,015 3,046 1,523 4,570 2,285 6,856 3,428 1,714 857 2,572 1,286 643 1,930 965 2,896 1,448 724 362 181 544 272 136 68 34 17 52 26 13 40 20 10 5 16

Active Feeder Network

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

Feeder #6,573,969 Feeder #2,443,427 Feeder #6,845,105 Feeder #906,051 Feeder #1,285,993 Feeder #7,584,379 Feeder #4,761,186 Feeder #626,174
← Previous Integer #81,089 Browse Full Index Next Integer #81,091 →