Properties of the Number -165887

One Hundred Sixty-Five Thousand Eight Hundred Eighty-Seven

Basics

Value: -165888 → -165887 → -165886

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 35

Digital Root: 8

Palindrome: No

Factorization: 165887

Divisors: 1, 165887

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

375 Try Today's Challenge

Representations

Binary: -101000011111111111

Octal: -503777

Duodecimal: -7BBBB

Hexadecimal: -287ff

Square: 27518496769

Square Root: 407.2922783456617

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Class 1+ primes: primes of the form 2ⁱ*3^j - 1 with i, j >= 0. A5105

Smallest prime p such that n is a solution mod p of x⁴ = 2, or 0 if no such prime exists. A65902

Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 529", based on the 5-celled von Neumann neighborhood. A288906

a(n) = smallest prime p such that p-1 and p+1 together have n prime divisors, or a(n) = 0 if no such prime exists. A155800

Numerators of continued fraction convergents to sqrt(287). A41540

Increasing sequence S generated by these rules: a(1)=1, and if·is in S then both 3x+2 and 4x+3 are in S. A191145

Primes of the form 2ⁱ * 3^j - 1 for positive i, j. A268640

Lexicographically first sequence of positive integers such that all terms are pairwise coprime and no subset sum is a power of 2. A363245

Primes that occur more than once in A373464. A374694