NET

18 This calls for wisdom: Let the one who has insight calculate the beast’s number, for it is man’s number, and his number is 666.

Darby

18 Here is wisdom. He that has understanding let him count the number of the beast: for it is a man's number; and its number [is] six hundred [and] sixty-six.

KJV

18 Here is wisdom. Let him that hath understanding count the number of the beast: for it is the number of a man; and his number [is] Six hundred threescore [and] six.

Strong's

18 Here ^G5602 is^G2076 wisdom^G4678. Let him that hath^G2192 understanding^G3563 count^G5585 the number^G706 of the beast^G2342: for^G1063 it is^G2076 the number^G706 of a man^G444; and^G2532 his^G846 number^G706 is Six hundred threescore and six^G5516.