600到400之间的数有599,598,597,596,595,594,593,592,591,590。
589,588,587,586,585,584,583,582,581,580。
579,578,577,576,575,574,573,572,571,570,
569,568,567,566,565,564,563,562,561,560,
559,558,557,556,555,554,553,552,551,550,
549,548,547,546,545,544,543,542,541,540,
539,538,537,536,535,534,533,532,531,530,
529,528,527,526,525,524,523,522,521,520,
519,518,517,516,515,514,513,512,511,510,
509,508,507,506,505,504,503,502,501,500。
499,498,497,496,495,494,493,492,491,490,
489,488,487,486,485,484,483,482,481,480,
479,478,477,476,475,474,473,472,471,470,469,468,467,466,465,464,463,462,461,460,
459,458,457,456,455,454,453,452,451,450,
449,448,447,446,445,444,443,442,441,440,
439,438,437,436,435,434,433,432,431,430,
429,428,427,426,425,424,423,422,421,420,
419,418,417,416,415,414,413,412,411,410,
409,408,407,406,405,404,403,402,401。
共199个数。