Properties of the Number 51976

Fifty-One Thousand Nine Hundred Seventy-Six

Basics

Value: 51975 → 51976 → 51977

Parity: even

Prime: No

Previous Prime: 51973

Next Prime: 51977

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 ³ × 73 × 89

Divisors: 1, 2, 4, 8, 73, 89, 146, 178, 292, 356

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100101100001000

Octal: 145410

Duodecimal: 260B4

Hexadecimal: cb08

Square: 2701504576

Square Root: 227.98245546532743

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

a(n) = prime(n) * ∑_i=1..n prime(i). A143215

Triangle of numbers {a(n,k), n >= 0, 0 <= k <= n} defined by a(0,0)=1, a(n,0)=A000670(n), a(n,n)=A000629(n), a(n,k) = a(n,k-1) + a(n-1,k-1); a(n+1,0) = ∑_k=0..n a(n,k). A73146

Least number 2k such that p² divides the numerator of the Bernoulli number B(2k), where p is the n-th irregular prime, A000928(n). A92681

a(n) = 204·2ⁿ - 248. A278122

Triangle of palindromic polynomials. A388426

The sum of a triangular array made from a negative 6-fold permutation product. A105156

Number of n X 4 0..1 arrays with no 1 equal to more than two of its king-move neighbors, with the exception of exactly one element. A282556

Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 11. A51976