Properties of the Number -4868

Eight Hundred Sixty-Eight

Basics

Value: -4869 → -4868 → -4867

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 1217

Divisors: 1, 2, 4, 1217, 2434, 4868

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1001100000100

Octal: -11404

Duodecimal: -2998

Hexadecimal: -1304

Square: 23697424

Square Root: 69.77105417004964

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

Expansion of (1-x-x²-sqrt(1-2·x-5·x²+10·x³+x⁴))/(2·x²). A174399

a(n) = ∑_t=0..n g(t)*g(n-t) where g(t) = A002121(t). A2122

Numbers n such that m + (sum of digits in base-3 representation of m) = n has exactly four solutions. A230856

Smaller of two consecutive numbers of the form p²*q where p and q are distinct primes. A74172

T(n,k)=number of distinct solutions of sum{i=1..k}(x(2i-1)*x(2i)) = 1 (mod n), with x() only in 1..n-1. A180793

Numbers k such that k and k+1 both have 6 divisors. A49103

T(n,k)=Number of (n+3)X(k+3) 0..2 matrices with each 4X4 subblock idempotent. A224728

Numbers n such that there are precisely 5 groups of orders n and n + 1. A295991

The number of even prime gaps g, satisfying g == 4 (mod 6), out of the first 2ⁿ even prime gaps. A341532

a(n+1)-+a(n)=prime, a(n+1)*a(n)=Average of twin prime pairs, a(1)=2,a(2)=9. A154495