Gematria Calculation Result for threaten graveyard dead mmxvii on Roman Numeral

This is calculated by summing each letter's value: t(0) + h(0) + r(0) + e(0) + a(0) + t(0) + e(0) + n(0) + (0) + g(0) + r(0) + a(0) + v(5) + e(0) + y(0) + a(0) + r(0) + d(500) + (0) + d(500) + e(0) + a(0) + d(500) + (0) + m(1000) + m(1000) + x(10) + v(5) + i(1) + i(1).