254 = 1 + 23 × 4 + 5 + 67 + 89
254 = 9 + 8 × 7 + 6 + 54 × 3 + 21
254 = 0^8 + 1^9 − 2^6 − 3^7 + 4^5 + 5^3 + 6^4 + 7^2 + 8^0 + 9^1
254 divides 19^3 - 1.
254 = 11 × (11 + 11 + 1) + 1
254 = 22×(2+2) − 2
254 = (3(3+3) + 33)/3
254 = 44 − (4 + 4)/4
254 = 5 × 5 × (5 + 5) + 5 − 5/5
254 = 6 × (6 × 6 + 6) + (6 + 6)/6
254 = 7 × 7 + 77 + ((7 + 7)/7)7
254 = (8 + 8) × (8 + 8) − (8 + 8)/8
254 = 9 × (9 + 9 + 9) + 99/9
Numbers k such that k^4 + 1 is prime.
Factors: 1, 2, 127, 254
Two hundred fifty-four
Representations, Binary to Hexadecimal:
11111110_2
100102_3
3332_4
2004_5
1102_6
512_7
376_8
312_9
211_11
192_12
167_13
142_14
11e_15
fe_16
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Undergraduate Texts in Mathematics
Graduate Studies in Mathematics

