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本帖最后由 愚工688 于 2017-6-25 01:00 编辑
举一些实际偶数表法数的例子:
其中数据表示:
G(m)——高速筛选程序得出的素对实际表法数,与我的低速计算程序的S(m)等同。
inf(m)——偶数M的下界计算值,具有波动性;
infS( m)——偶数M的区域下界值;
infS( m)具有随偶数增大而线性增大的特征,任何≥M的偶数的表法数>infS( m).与图上黄线类似。
k(m)——由偶数M所含的≤√(M-2)的奇素数因子形成的系数;该值表示了表法数与其计算值的波动性的幅度。
S(100066) = 590 ;inf( 100066 )≈ 586.35 , Δ≈-0.0062,infS( 100066 )= 586.35 , k(m)= 1
S(100068) = 1249;inf( 100068 )≈ 1217.71, Δ≈-0.0251,infS( 100068 )= 586.36 , k(m)= 2.07671
S(100070) = 806 ;inf( 100070 )≈ 781.84 , Δ≈-0.0300,infS( 100070 )= 586.37 , k(m)= 1.33333
S(100072) = 712 ;inf( 100072 )≈ 703.67 , Δ≈-0.0117,infS( 100072 )= 586.38 , k(m)= 1.2
S(100074) = 1341;inf( 100074 )≈ 1279.42, Δ≈-0.0459,infS( 100074 )= 586.40 , k(m)= 2.18182
S(100076) = 617 ;inf( 100076 )≈ 594.13 , Δ≈-0.0371,infS( 100076 )= 586.41 , k(m)= 1.01317
S(100078) = 691 ;inf( 100078 )≈ 651.58 , Δ≈-0.0570,infS( 100078 )= 586.42 , k(m)= 1.11111
S(100080) = 1613;inf( 100080 )≈ 1575.24, Δ≈-0.0234,infS( 100080 )= 586.43 , k(m)= 2.68613
S(100082) = 606 ;inf( 100082 )≈ 592.02 ,Δ≈-0.0231,infS( 100082 )= 586.44 , k(m)= 1.00951
S(100084) = 606 ;inf( 100084 )≈ 594.13 , Δ≈-0.0196,infS( 100084 )= 586.45 , k(m)= 1.01308
S(100086) = 1471;inf( 100086 )≈ 1407.53, Δ≈-0.0431,infS( 100086 )= 586.47 , k(m)= 2.4
S(100088) = 608 ;inf( 100088 )≈ 586.48 , Δ≈-0.0354,infS( 100088 )= 586.48 , k(m)= 1
S(100090) = 797 ;inf( 100090 )≈ 781.99 , Δ≈-0.0188,infS( 100090 )= 586.49 , k(m)= 1.33333
S(100092) = 1293;inf( 100092 )≈ 1242.01, Δ≈-0.0394,infS( 100092 )= 586.50 , k(m)= 2.11765
S(100094) = 570 ;inf( 100094 )≈ 586.52 , Δ≈ 0.0290,infS( 100094 )= 586.51 , k(m)= 1
S(100096) = 678 ;inf( 100096 )≈ 655.42 , Δ≈-0.0333,infS( 100096 )= 586.52 , k(m)= 1.11746
S(100098) = 1248;inf( 100098 )≈ 1205.84, Δ≈-0.0338,infS( 100098 )= 586.54 , k(m)= 2.05584
S(100100) = 1152;inf( 100100 )≈ 1137.56, Δ≈-0.0125,infS( 100100 )= 586.55 , k(m)= 1.93939
例2,
G(2017021100) = 4565281;
Sp( 2017021100 )≈ 4530399.1 , Δ≈-0.007641,infS( 2017021100 )= 3177488.91 , k(m)= 1.42578
G(2017021102) = 3202758;
Sp( 2017021102 )≈ 3177689.8 , Δ≈-0.002783,infS( 2017021102 )= 3177488.92 , k(m)= 1.00006
G(2017021104) = 7786927;
Sp( 2017021104 )≈ 7724638.8 , Δ≈-0.007999,infS( 2017021104 )= 3177488.92 , k(m)= 2.43105
G(2017021106) = 3300663;
Sp( 2017021106 )≈ 3272517.8 , Δ≈-0.008527,infS( 2017021106 )= 3177488.92 , k(m)= 1.02991
G(2017021108) = 3467795;
Sp( 2017021108 )≈ 3438961.8 , Δ≈-0.008315,infS( 2017021108 )= 3177488.92 , k(m)= 1.08229
G(2017021110) = 9766275;
Sp( 2017021110 )≈ 9683775.8 , Δ≈-0.008447,infS( 2017021110 )= 3177488.93 , k(m)= 3.04762
G(2017021112) = 3229688;
Sp( 2017021112 )≈ 3202908.8 , Δ≈-0.008292,infS( 2017021112 )= 3177488.93 , k(m)= 1.008
G(2017021114) = 3391177;
Sp( 2017021114 )≈ 3364400.1 , Δ≈-0.007896,infS( 2017021114 )= 3177488.93 , k(m)= 1.05882
G(2017021116) = 7118461;
Sp( 2017021116 )≈ 7061086.5 , Δ≈-0.008060,infS( 2017021116 )= 3177488.94 , k(m)= 2.22222
G(2017021118) = 3844208
Sp( 2017021118 )≈ 3812986.7 , Δ≈-0.008122,infS( 2017021118 )= 3177488.94 , k(m)= 1.2
G(2017021120) = 4373997;
Sp( 2017021120 )≈ 4339291.4 , Δ≈-0.007935,infS( 2017021120 )= 3177488.94 , k(m)= 1.36564
G(2017021122) = 6411715;
Sp( 2017021122 )≈ 6357087.8 , Δ≈-0.008520,infS( 2017021122 )= 3177488.95 , k(m)= 2.00066
当把偶数按照波动系数k(m)值由小到大排列时,它们的素对表法数值的排列次序也同样是由小到大排列:
G(2017021102) = 3202758;inf( 2017021102 )≈ 3177689.8 , Δ≈-0.002783, k(m)= 1.00006
G(2017021112) = 3229688;inf( 2017021112 )≈ 3202908.8 , Δ≈-0.008292, k(m)= 1.008
G(2017021106) = 3300663;inf( 2017021106 )≈ 3272517.8 , Δ≈-0.008527, k(m)= 1.02991
G(2017021114) = 3391177;inf( 2017021114 )≈ 3364400.1 , Δ≈-0.007896, k(m)= 1.05882
G(2017021108) = 3467795;inf( 2017021108 )≈ 3438961.8 , Δ≈-0.008315, k(m)= 1.08229
G(2017021118) = 3844208;inf( 2017021118 )≈ 3812986.7 , Δ≈-0.008122, k(m)= 1.2
G(2017021120) = 4373997;inf( 2017021120 )≈ 4339291.4 , Δ≈-0.007935, k(m)= 1.36564
G(2017021100) = 4565281;inf( 2017021100 )≈ 4530399.1 , Δ≈-0.007641, k(m)= 1.42578
G(2017021122) = 6411715;inf( 2017021122 )≈ 6357087.8 , Δ≈-0.008520, k(m)= 2.00066
G(2017021116) = 7118461;inf( 2017021116 )≈ 7061086.5 , Δ≈-0.008060, k(m)= 2.22222
G(2017021104) = 7786927;inf( 2017021104 )≈ 7724638.8 , Δ≈-0.007999, k(m)= 2.43105
G(2017021110) = 9766275;inf( 2017021110 )≈ 9683775.8 , Δ≈-0.008447, k(m)= 3.04762
例3,
inf( M)——偶数M的素对下界计算值,具有波动性;inf( M)<真值S( M);
infS( M)——偶数M的区域素对下界计算值,随偶数增大而线性增大;infS( M)=inf( M)/ k(m).
G(2230928690) = 4849138; k(2230928690)= 1.38209
inf( 2230928690 )≈ 4814470 , Δ≈-0.0071493 ,infS( 2230928690 )= 3483471.11 ,
G(2230928692) = 3508713;k(2230928692)= 1
inf( 2230928692 )≈ 3483471.1 , Δ≈-0.0071941,infS( 2230928692 )= 3483471.12 ,
G(2230928694) = 7016819;k(2230928694)= 2
inf( 2230928694 )≈ 6966942.2 , Δ≈-0.0071082,infS( 2230928694 )= 3483471.12 ,
G(2230928696) = 3591399; k(2230928696)= 1.02344
inf( 2230928696 )≈ 3565120.9 , Δ≈-0.0073170,infS( 2230928696 )= 3483471.12 ,
G(2230928698) = 3510086;k(2230928698)= 1.0004
inf( 2230928698 )≈ 3484854 , Δ≈-0.0071884,infS( 2230928698 )= 3483471.13 ,
G(2230928700) = 16100187; k(2230928700)= 4.58936
inf( 2230928700 )≈ 15986888.3 , Δ≈-0.0070371,infS( 2230928700 )= 3483471.13 ,
G(2230928702) = 3629396; k(2230928702)= 1.03448
inf( 2230928702 )≈ 3603590.8 , Δ≈-0.0071101,infS( 2230928702 )= 3483471.13 ,
G(2230928704) = 3637171; k(2230928704)= 1.03704
inf( 2230928704 )≈ 3612488.6 , Δ≈-0.0067862,infS( 2230928704 )= 3483471.14 ,
G(2230928706) = 7097958; k(2230928706)= 2.02375
inf( 2230928706 )≈ 7049687.2 , Δ≈-0.0068007,infS( 2230928706 )= 3483471.14 ,
G(2230928708) = 3516392;k(22309287008)= 1.00156
inf( 2230928708 )≈ 3488922.6 , Δ≈-0.0078118,infS( 2230928708 )= 3483471.14 ,
G(2230928710) = 4693718; k(2230928710)= 1.33757
inf( 2230928710 )≈ 4659373.1 , Δ≈-0.0073172,infS( 2230928710 )= 3483471.14 ,
G(2230928712) = 7017917;k(2230928712)= 2
inf( 2230928712 )≈ 6966942.3 , Δ≈-0.0072635,infS( 2230928712 )= 3483471.15 ,
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