151 is a Prime Number, Prime(36)
Sexy Prime (Primes p such that p + 6 is also prime)
151 = 1 + 2 + 3 × 4 + 5 + 6 × 7 + 89
151 = 9 + 8 + 7 + 6 × 5 × 4 + 3 × 2 + 1
151 = 0^4 + 1^8 − 2^6 − 3^9 + 4^7 + 5^5 + 6^2 + 7^3 + 8^1 + 9^0
151 divides 32^3 - 1.
151 = (11 − 1) × (11 + 1 + 1 + 1 + 1) + 1
151 = (22×(2+2) + 2)/2 + 22
151 = (3 + 3) × 33 − 33/3
151 = 44 − 4 + 444/4
151 = 5 × (5 × 5 + 5) + 5/5
151 = (6 + 6) × (6 + 6) + 6 + 6/6
151 = 7 + (7 + 77/7) × (7 + 7/7)
151 = 88 + 8 × 8 − 8/8
151 = 9 × (9 + 9) − 99/9
Number of fractions in Farey series of order 22 : 0/1, 1/22, 1/21, 1/20, 1/19, 1/18, 1/17, 1/16, 1/15, 1/14, 1/13, 1/12, 1/11, 2/21, 1/10, 2/19, 1/9, 2/17, 1/8, 2/15, 3/22, 1/7, 3/20, 2/13, 3/19, 1/6, 3/17, 2/11, 3/16, 4/21, 1/5, 4/19, 3/14, 2/9, 5/22, 3/13, 4/17, 5/21, 1/4, 5/19, 4/15, 3/11, 5/18, 2/7, 5/17, 3/10, 4/13, 5/16, 6/19, 7/22, 1/3, 7/20, 6/17, 5/14, 4/11, 7/19, 3/8, 8/21, 5/13, 7/18, 2/5, 9/22, 7/17, 5/12, 8/19, 3/7, 7/16, 4/9, 9/20, 5/11, 6/13, 7/15, 8/17, 9/19, 10/21, 1/2, 11/21, 10/19, 9/17, 8/15, 7/13, 6/11, 11/20, 5/9, 9/16, 4/7, 11/19, 7/12, 10/17, 13/22, 3/5, 11/18, 8/13, 13/21, 5/8, 12/19, 7/11, 9/14, 11/17, 13/20, 2/3, 15/22, 13/19, 11/16, 9/13, 7/10, 12/17, 5/7, 13/18, 8/11, 11/15, 14/19, 3/4, 16/21, 13/17, 10/13, 17/22, 7/9, 11/14, 15/19, 4/5, 17/21, 13/16, 9/11, 14/17, 5/6, 16/19, 11/13, 17/20, 6/7, 19/22, 13/15, 7/8, 15/17, 8/9, 17/19, 9/10, 19/21, 10/11, 11/12, 12/13, 13/14, 14/15, 15/16, 16/17, 17/18, 18/19, 19/20, 20/21, 21/22, 1/1
Prime of the form k^2 + k + 41
Palindrome k such that 3k + 1 is also a palindrome.
Padovan sequence , n = 24 : a(n) = a(n-2) + a(n-3) with a(0) = 1, a(1) = a(2) = 0
151 cannot be written as a sum of 3 squares. (Integers that are not a sum of three squares).
The ring of integers of the field Q(sqrt(-151)) has class number 7.
Factors: 1, 151
One hundred fifty-one
Representations, Binary to Hexadecimal:
10010111_2
12121_3
2113_4
1101_5
411_6
304_7
227_8
177_9
128_11
107_12
b8_13
ab_14
a1_15
97_16
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