Anonymous ID: d1b54c Jan. 30, 2020, 12:04 a.m. No.7962838   🗄️.is 🔗kun

>>7962821

Math operation Explanation

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153 = 1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17 A Triangular number & sum of the first 17 integers

 

153 = 3×51 A Friedman number (P.S. 51 = 3x17)

153 = 1³+5³+3³ A 3-Narcisstic number

153/9 = 17 ; 1+5+3 = 9 A Harshad number

153 = (1×1)+(1×2)+(1×2×3)+(1×2×3×4)+(1×2×3×4×5) The sum of the first five positive Factorials

153/265 as lower bound to the square root of 3 Associated to Mandorla by Measurement of a Circle

1, 6, 15, 28, 45, 66, 91, 120, 153 The ninth Hexagonal number

153 = 3×3×17 ; 154 = 2×7×11 ; 3+17=2+7+11=20 Forms a Ruth-Aaron pair with 154

The Biggs-Smith graph has 153 edges A well known cubic Symmetric graph