112575

Appears in sequences

• Triangular numbers which remain triangular when the most significant digit is moved to the end.at n=15A067269
• Numbers k such that k and 10*k are both triangular numbers.at n=6A068085
• Triangular numbers whose sum of squared digits is also triangular.at n=26A094890
• Integers of the form 8k+7 that can be written as a sum of four distinct squares of the form m, m+2, m+4, m+5, where m == 1 (mod 4).at n=41A243579
• Triangular numbers composed of only digits with line segments or both line segments and curves {1, 2, 4, 5, 7}.at n=24A247021