Born: 09 Apr 1928
Died: 26 Jul 2025 (97 years)
Tom Lehrer
Mathematician, musician
He would have celebrated his 267th Triangular Day on 24 March 2026 at 35,778 days.
These occur when your day age is a triangular number.
Day age
Days ahead
Year age
Day age
Year age
266th
35,511
97
267th
35,778
97
268th
36,046
98
269th
36,315
99
270th
36,585
100
271st
36,856
100
272nd
37,128
101
273rd
37,401
102
274th
37,675
103
275th
37,950
103
276th
38,226
104
277th
38,503
105
278th
38,781
106
279th
39,060
106
280th
39,340
107
281st
39,621
108
282nd
39,903
109
283rd
40,186
110
284th
40,470
110
285th
40,755
111
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