Collatz Projector

Observe Collatz sequences

Track sequence length, peak values, and records as numbers move through the Collatz process. Built for observation, not explanation.

Inspect a Number

System Status

Total numbers stored
15026693
Last processed n
15026692
Max steps seen
691
Max peak seen
60342610919632

Current Champions

Highest steps to 1

n=14934241

steps_to_1
691
peak_value
159424614880
stopping_time
3

Highest peak value

n=6631675

steps_to_1
576
peak_value
60342610919632
stopping_time
362

Top records

Top 10 by steps to 1

  1. n=14934241 691 steps
  2. n=11200681 688 steps
  3. n=8400511 685 steps
  4. n=12600767 683 steps
  5. n=10507503 675 steps
  6. n=8865705 667 steps
  7. n=13298558 665 steps
  8. n=13298559 665 steps
  9. n=6649279 664 steps
  10. n=9973919 662 steps

Top 10 by peak value

  1. n=6631675 peak 60342610919632
  2. n=7460635 peak 60342610919632
  3. n=8393215 peak 60342610919632
  4. n=8842233 peak 60342610919632
  5. n=9947513 peak 60342610919632
  6. n=11190953 peak 60342610919632
  7. n=12589823 peak 60342610919632
  8. n=13263350 peak 60342610919632
  9. n=13263351 peak 60342610919632
  10. n=13972911 peak 60342610919632

Recent Activity

Recently processed numbers

  1. n=201237586 307 steps, peak 12391975024
  2. n=15026592 86 steps, peak 15026592
  3. n=15026591 161 steps, peak 548337760
  4. n=15026590 86 steps, peak 76072120
  5. n=15026589 86 steps, peak 64185856
  6. n=15026588 86 steps, peak 64185856
  7. n=15026587 187 steps, peak 216627208
  8. n=15026586 86 steps, peak 22539880
  9. n=15026585 174 steps, peak 50714728
  10. n=15026584 86 steps, peak 15026584
  11. n=15026583 174 steps, peak 101429440
  12. n=15026582 174 steps, peak 33809812
  13. n=15026581 86 steps, peak 45079744
  14. n=15026580 86 steps, peak 15026580
  15. n=15026579 174 steps, peak 67619608
  16. n=15026578 174 steps, peak 38036032
  17. n=15026577 174 steps, peak 45079732
  18. n=15026576 86 steps, peak 15026576
  19. n=15026575 86 steps, peak 152144080
  20. n=15026574 86 steps, peak 50714692

10 most recent step records

  1. n=14934241 691 steps
  2. n=11200681 688 steps
  3. n=8400511 685 steps
  4. n=6649279 664 steps
  5. n=5649499 612 steps
  6. n=3732423 596 steps
  7. n=3542887 583 steps
  8. n=3064033 562 steps
  9. n=2298025 559 steps
  10. n=1723519 556 steps

10 most recent peak records

  1. n=6631675 peak 60342610919632
  2. n=6416623 peak 4799996945368
  3. n=5656191 peak 2412493616608
  4. n=4637979 peak 1318802294932
  5. n=3873535 peak 858555169576
  6. n=3041127 peak 622717901620
  7. n=2684647 peak 352617812944
  8. n=2643183 peak 190459818484
  9. n=1988859 peak 156914378224
  10. n=1875711 peak 155904349696

Stored numbers

Filter: All numbers Record step numbers only Record peak numbers only

Showing 55 matching stored numbers.

n steps_to_1 peak_value stopping_time peak_ratio record_steps record_peak
2 1 2 1 1.000000 Yes Yes
3 7 16 6 5.333333 Yes Yes
6 8 16 1 2.666667 Yes No
7 16 52 11 7.428571 Yes Yes
9 19 52 3 5.777778 Yes No
18 20 52 1 2.888889 Yes No
25 23 88 3 3.520000 Yes No
27 111 9232 96 341.925926 Yes Yes
54 112 9232 1 170.962963 Yes No
73 115 9232 3 126.465753 Yes No
97 118 9232 3 95.175258 Yes No
129 121 9232 3 71.565891 Yes No
171 124 9232 8 53.988304 Yes No
231 127 9232 19 39.965368 Yes No
313 130 9232 3 29.495208 Yes No
327 143 9232 34 28.232416 Yes No
649 144 9232 3 14.224961 Yes No
703 170 250504 132 356.335704 Yes Yes
871 178 190996 57 219.283582 Yes No
1161 181 190996 3 164.509905 Yes No