# Talk:Bell numbers

From Rosetta Code

## size of Bell numbers[edit]

For the sake of curiosity, I let the REXX program run wild and had it record the size of some Bell numbers.

Here are the results:

Bell( 99) has 115 decimal digits. Bell( 199) has 275 decimal digits. Bell( 299) has 453 decimal digits. Bell( 399) has 643 decimal digits. Bell( 499) has 842 decimal digits. Bell( 599) has 1,048 decimal digits. Bell( 699) has 1,260 decimal digits. Bell( 799) has 1,478 decimal digits. Bell( 899) has 1,700 decimal digits. Bell( 999) has 1,926 decimal digits. Bell( 1,099) has 2,155 decimal digits. Bell( 1,199) has 2,388 decimal digits. Bell( 1,299) has 2,625 decimal digits. Bell( 1,399) has 2,864 decimal digits. Bell( 1,499) has 3,105 decimal digits. Bell( 1,599) has 3,349 decimal digits. Bell( 1,699) has 3,595 decimal digits. Bell( 1,799) has 3,844 decimal digits. Bell( 1,899) has 4,095 decimal digits. Bell( 1,999) has 4,347 decimal digits. Bell( 2,099) has 4,601 decimal digits. Bell( 2,199) has 4,858 decimal digits. Bell( 2,299) has 5,115 decimal digits. Bell( 2,399) has 5,375 decimal digits. Bell( 2,499) has 5,636 decimal digits. Bell( 2,599) has 5,898 decimal digits. Bell( 2,699) has 6,162 decimal digits. Bell( 2,799) has 6,428 decimal digits. Bell( 2,899) has 6,694 decimal digits. Bell( 2,999) has 6,962 decimal digits. Bell( 3,099) has 7,231 decimal digits. Bell( 3,199) has 7,502 decimal digits. Bell( 3,299) has 7,773 decimal digits. Bell( 3,399) has 8,046 decimal digits. Bell( 3,499) has 8,320 decimal digits. Bell( 3,599) has 8,595 decimal digits. Bell( 3,699) has 8,871 decimal digits. Bell( 3,799) has 9,148 decimal digits. Bell( 3,899) has 9,426 decimal digits. Bell( 3,999) has 9,704 decimal digits. Bell( 4,099) has 9,984 decimal digits. Bell( 4,199) has 10,265 decimal digits. Bell( 4,299) has 10,547 decimal digits. Bell( 4,399) has 10,829 decimal digits. Bell( 4,499) has 11,112 decimal digits. Bell( 4,599) has 11,396 decimal digits. Bell( 4,699) has 11,682 decimal digits. · · · Bell( 4,999) has 12,542 decimal digits 00:14.028s Bell( 5,999) has 15,455 decimal digits 00:25.826s Bell( 6,999) has 18,431 decimal digits 00:45.070s Bell( 7,999) has 21,462 decimal digits 01:15.602s Bell( 8,999) has 24,541 decimal digits 01:58.833s Bell( 9,999) has 27,662 decimal digits 02:55.139s Bell(10,999) has 30,821 decimal digits 04:02.626s Bell(11,999) has 34,015 decimal digits 05:42.494s Bell(12,999) has 37,241 decimal digits 07:44.976s Bell(13,999) has 40,496 decimal digits 10:15.881s Bell(14,999) has 43,779 decimal digits 14:21.739s Bell(15,999) has 47,087 decimal digits 19:00.776s Bell(16,999) has 50,420 decimal digits 24:24.359s Bell(17,999) has 53,775 decimal digits 31:35.206s Bell(18,999) has 57,151 decimal digits 40:56.806s Bell(19,999) has 60,548 decimal digits 55:01.778s .. Bell(20,299) has 61,571 decimal digits 59:00.454s

- -- Gerard Schildberger (talk) 16:35, 28 July 2019 (UTC) ---- (1
^{st}part using REXX) - -- Horst.h 07:27, 4 February 2020 (UTC) ---- (2
^{nd}part using Pascal)

- -- Gerard Schildberger (talk) 16:35, 28 July 2019 (UTC) ---- (1