Centered square primes up to 661465

Centered square primes: Primes of the form n^2 + (n+1)^2.

There is 146 centered square primes smaller than 661465.

Checkout centered square primes up to: 100, 500, 1000, 10000.

5, 13, 41, 61, 113, 181, 313, 421, 613, 761, 1013, 1201, 1301, 1741, 1861, 2113, 2381, 2521, 3121, 3613, 4513, 5101, 7321, 8581, 9661, 9941, 10513, 12641, 13613, 14281, 14621, 15313, 16381, 19013, 19801, 20201, 21013, 21841, 23981, 24421, 26681, 30013, 34061, 36721, 37813, 38921, 41761, 44701, 47741, 49613, 51521, 52813, 54121, 56113, 59513, 60901, 68821, 70313, 71821, 76441, 79601, 82013, 83641, 86113, 90313, 94613, 97241, 99013, 100801, 101701, 105341, 106261, 110921, 134681, 135721, 139921, 143113, 148513, 156241, 161881, 163021, 165313, 167621, 168781, 177013, 185441, 199081, 204161, 205441, 210601, 218461, 223781, 234613, 237361, 241513, 244301, 252761, 255613, 273061, 277513, 282001, 303421, 304981, 312841, 319201, 332113, 335381, 337021, 353641, 365513, 370661, 377581, 382813, 388081, 391613, 405901, 413141, 424121, 427813, 431521, 437113, 450301, 452201, 456013, 459841, 479221, 481181, 485113, 489061, 491041, 501001, 511061, 525313, 529421, 531481, 539761, 552301, 556513, 571381, 584281, 595141, 599513, 603901, 617161, 632813, 637321

• Learn more about Centered square primes.
• All centered square primes