King Prithu, in one of his great Horsesacrifices, distributed amongst the Brahmanas one and twenty mountains of gold, each measuring twelve hundred cubits.
हैरण्यांस्त्रिनलोत्सेधान् पर्वतानेकविंशतिम्। ब्राह्मणेभ्यो ददौ राजा योऽश्वमेधे महामखे॥