Properties of the Number 51169

Fifty-One Thousand One Hundred Sixty-Nine

Basics

Value: 51168 → 51169 → 51170

Parity: odd

Prime: Yes

Previous Prime: 51157

Next Prime: 51193

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 51169

Divisors: 1, 51169

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100011111100001

Octal: 143741

Duodecimal: 25741

Hexadecimal: c7e1

Square: 2618266561

Square Root: 226.2056586383285

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

Indices of prime Lucas numbers. A1606

Variant on Lucas numbers: a(n) = a(n-1) + 3·a(n-2) with a(0)=2 and a(1)=1. A75118

Numbers k such that floor(φ^k) is prime, where φ is the golden ratio. A59791

Supersingular primes of the elliptic curve X₀ (11). A6962

Primes p such that floor(φ^p) is prime. A168033

Primes p such that gcd(ord_p(3), ord_p(5)) = 1. A383411

Primes with 14 as smallest positive primitive root. A61327

Number of 4Xn 0..3 arrays with no element equal to zero plus the sum of elements to its left or two plus the sum of the elements above it or one plus the sum of the elements diagonally to its northwest, modulo 4. A239988

Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite RUT = RUB-10 R4[B4Si32O72] starting from a T3 atom. A19232

Numbers n such that the n-th Lucas number is prime and can be written in the form a² + 7·b². A216537