22 1234 = 557 + 677 23 1234 = 587 + 647 24 1234 = 593 + 641
25 1234 = 617 + 617
C2A( 1234 )= .6602246 C2B( 1234 )= 1.001626
c1( 1234 )= .6612981 (拉曼纽扬系数) c2( 1234 )= 1.322596
PI( 1234 )= 202
log( 1234 )= 7.118016
log( 1234 )^2= 50.66616
log(log( 1234 ))= 1.962629
O =log(log( 1234 ))/log( 1234 )= .275727(赛尔贝格大O项)
D( 1234 )= 25 HARDY( 1234 )~ 32.21251 har( 1234 )= 28.85002 %(哈代公式)
D( 1234 )= 25 Dselberg( 1234 )<= 328.7549 Selberg( 1234 )= 1215.02 %(赛尔贝格公式)
D( 1234 )= 25 Dwan( 1234 )<= 164.3774 Wa( 1234 )= 557.5098 %(王元公式)
D( 1234 )= 25 Dpan( 1234 )<= 246.5662 pa( 1234 )= 886.2646 %(潘承洞公式)
D( 1234 )= 25 Chen1( 1234 )<= 126.1796 Ch1( 1234 )= 404.7184 %(陈景润公式)
D( 1234 )= 25 Vun( 1234 )<= 35.12834 Vn( 1234 )= 40.51335 %(沃因公式)
D( 1234 )= 25 ZUO( 1234 )~ 21.86678 Zu( 1234 )= 12.53288 %(陈君佐公式)
PI( 1234 )^2= 40804 N/LOG(N)^2= 24.35551
PI( 1234 )^2/N= 33.06645
D( 1234 )= 25 CJR( 1234 )>= 10.79119 (陈氏定理)
D( 1234 )= 25 CJR2( 1234 )>= 32.21251
D( 1234 )= 25 CJR3( 1234 )>= 48.31875
D( 1234 )=