Properties of the Number 65851

Sixty-Five Thousand Eight Hundred Fifty-One

Basics

Value: 65850 → 65851 → 65852

Parity: odd

Prime: Yes

Previous Prime: 65843

Next Prime: 65867

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 65851

Divisors: 1, 65851

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000000100111011

Octal: 200473

Duodecimal: 32137

Hexadecimal: 1013b

Square: 4336354201

Square Root: 256.61449686251166

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

Primes of the form 2n²+18n+7, n>=0. A154592

Primes of the form 3n³-5. A200849

Numbers p such that p, 2p-1, 3p-2, 4p-3 are primes. A336059

Primes of the form k!4+16, where k!4 is the quadruple factorial number (A007662). A289492

Sum{T(i,n-i): i=0,1,...,n}, array T as in A047120. A47121

Let u be any string of n digits from {0,...,9}; let f(u) = number of distinct primes, not beginning with 0, formed by permuting the digits of u; then a(n) = max_u f(u). A65851

Numbers k such that k!4 + 2⁴ is prime, where k!4 = k!!!! is the quadruple factorial number (A007662). A291344