1+2+3+4+5+6+7+8+9=45
1x2x3x4x5x6x7x8x9=326880
1x2x3x4x5x6x7x8x9x10x11=35956800
1089+911=1100
1x2x3x4x5x6x7x8x9x10x11x12x13x14x15x16x17x18x19x20x21x22x23x24x25=
1.551121004x10^25
pls excuse the tangent it just evokes a sense of wonder for me sometimes.