700
As an improper fraction in its simplest form it is 661/8
601 607 613 617 619 631 641 643 647 653 659 661 673 677 683 691.
The prime numbers between 500 and 1,000 are: 503 509 521 523 541 547 557 563 569 571 577 587 593 599 601 607 613 617 619 631 641 643 647 653 659 661 673 677 683 691 701 709 719 727 733 739 743 751 757 761 769 773 787 797 809 811 821 823 827 829 839 853 857 859 863 877 881 883 887 907 911 919 929 937 941 947 953 967 971 977 983 991 997.
It is impossible to list the infinite number of twin primes. The twin primes less than 1700 are (3, 5), (5, 7), (11, 13), (17, 19), (29, 31), (41, 43), (59, 61) (71, 73), (101, 103), (107, 109), (137, 139), (149, 151), (179, 181), (191, 193), (197, 199), (227, 229), (239, 241), (269, 271), (281, 283), (311, 313), (347, 349), (419, 421), (431, 433), (461, 463), (521, 523), (569, 571), (599, 601), (617, 619), (641, 643), (659, 661), (809, 811), (821, 823), (827, 829), (857, 859), (881, 883), (1019, 1021), (1031, 1033), (1049, 1051), (1061, 1063), (1091, 1093), (1151, 1153), (1229, 1231), (1277, 1279), (1289, 1291), (1301, 1303), (1319, 1321), (1427, 1429), (1451, 1453), (1481, 1483), (1487, 1489), (1607, 1609), (1619, 1621), (1667, 1669), and (1697, 1699).
110.1667
661 is prime.
661 x 1
3√661 ≈ 8.711
661 x 36 = 23796
661 miles is about 1063.78 kilometres.
661 is spelled "six hundred and sixty one"
165.25
The average of 545 and 777 is 661.
36.7222
10% of 661.00 10% of 661 10/100 of 661 6610/100 66.10 Hence 10 percent of 661 is 66.10
165.25