Properties of the Number 52381

Fifty-Two Thousand Three Hundred Eighty-One

Basics

Value: 52380 → 52381 → 52382

Parity: odd

Prime: No

Previous Prime: 52379

Next Prime: 52387

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 7 ² × 1069

Divisors: 1, 7, 49, 1069, 7483, 52381

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100110010011101

Octal: 146235

Duodecimal: 26391

Hexadecimal: cc9d

Square: 2743769161

Square Root: 228.86895813980541

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

Number of paths from (0,1) to (n,0), with vertices (i,k) satisfying 0 <= k <= 3, consisting of segments given by the vectors (1,1), (1,2), (1,-1). A247354

Triangle T(n,k) defined by ∑_k=1..n T(n,k)*u^k*xⁿ/n! = exp(∑_n>0 u*σ(n)*xⁿ/n!). A338871

Positive numbers y such that y² is of the form x²+(x+2401)² with integer x. A157247

Number of n X 2 (-1,0,1) arrays of determinants of 2 X 2 subblocks of some (n+1) X 3 binary array with rows and columns of the latter in lexicographically nondecreasing order. A226866

The smallest initial prime of 2 non-overlapping d-twin primes if the distance between pairs (D) is minimal (see A052380). A52381

Number of A095748-primes in range ]2ⁿ,2ⁿ⁺¹]. A95758

Decimal expansion of the asymptotic median of the abundancy indices of the positive integers. A353617