By Imperial Order: Complete Library of the Four Treasuries original: 欽定四庫全書 (Qinding Siku Quanshu). This marks the text as part of the largest collection of books in Chinese history, compiled during the 18th century to preserve all significant knowledge.

Number	Logarithmic Value These values represent the mantissa of common logarithms. For example, for the number 20551, the common logarithm is approximately 4.3128759049.
20551	43128759049
20552	43128980493
20553	43129201937
20554	43129423381
20555	43129644825
20556	43129866269
20557	43130087713
20558	43130309157
20559	43130530601
20560	43130752045
20561	43130973489
20562	43131194933
20563	43131416377
20564	43131637821
20565	43131859265
20566	43132080709
20567	43132302153
20568	43132523597
20569	43132745041
20570	43132966485
20571	43133187929
20572	43133409373
20573	43133630817
20574	43133852261
20575	43134073705
20576	43134295149
20577	43134516593
20578	43134738037
20579	43134959481
20580	43135180925
20581	43135402369
20582	43135623813
20583	43135845257
20584	43136066701
20585	43136288145
20586	43136509589
20587	43136731033
20588	43136952477
20589	43137173921
20590	43137395365
20591	43137616809
20592	43137838253
20599 Probable transcription error in source; based on sequence, this represents the value for 20593.	43138059697
20594	43138281141
20595	43138502585
20596	43138724029
20597	43138945473
20598	43139166917
20599	43139388361
20600	43139609805