SCP 033 is a Euclid Class anomaly also known as The Missing Number. SCP-033 appears as a field of complex mathematical symbols ranging from simple layman-identifiable representations to those only interpretable by highly-trained mathematicians. As all modern mathematical calculations are performed lacking the knowledge or use of SCP033, its introduction into any system organized without it begins eroding the numerical and eventually structural integrity of said system. This effect extends to SCP

SCP-3333 is a Keter Class anomaly also known as Tower. SCP-3333 is a spatial anomaly located within the Suntop fire lookout, located in Mt. Baker/Snoqualmie National Forest, Washington State, United States of America. SCP 3333 is accessible via a ladder and trapdoor on the ceiling of the Suntop lookout. Climbing the ladder leads to an identical copy of the Suntop fire lookout. This identical copy has an identical ladder and trapdoor pair, which leads to further copies of the Suntop lookout. The