00601 is the smallest assigned 5-digit ZIP Code that is prime. It belongs to Adjuntas, PR. Note that Adjuntas is also known as "La Suiza de Puerto Rico" (the Switzerland of Puerto Rico) because of its low temperatures. [Wolfe]
The PowerPC 601 Microprocessor is a highly integrated single-chip processor that combines a powerful RISC architecture, a superscalar machine organization, and a versatile high-performance bus interface. Superscalar refers to microprocessor architectures that enable more than one instruction to be executed per clock cycle.
6-0-1 are the first three digits of 5117 and 106 * 5117 + 117 is prime. [Kulsha]
601 is the smallest number m such that 6^2^k + m^2^k is prime for k = 0, 1, 2, 3, and 4. [Firoozbakht]
The smallest prime in the only case of eleven consecutive 3-digit primes with distinct digits. [Loungrides]
"And it came to pass in the six hundredth and first year, in the first month, the first day of the month, the waters were dried up from off the earth: and Noah removed the covering of the ark, and looked, and, behold, the face of the ground was dry." (Genesis 8:13, KJV) [Thompson]