Properties of the Number 66851

Sixty-Six Thousand Eight Hundred Fifty-One

Basics

Value: 66850 → 66851 → 66852

Parity: odd

Prime: Yes

Previous Prime: 66841

Next Prime: 66853

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 66851

Divisors: 1, 66851

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10000010100100011

Octal: 202443

Duodecimal: 3282B

Hexadecimal: 10523

Square: 4469056201

Square Root: 258.55560330420224

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 for which A049076 >= 4. A49090

Primes prime(k) for which A049076(k) = 4. A49080

a(n) = 81·n² - 44·n + 6. A156676

Prime numbers with prime indices in A333243. A333244

Minimal set of prime-strings in base 10 for primes of the form 4n+3 in the sense of A071062. A111056

Primes p such that continued fraction of (1 + sqrt(p))/2 has period 10 : primes in A146335. A146355

Prime(prime(n)) when prime(prime(n)) and n are twin primes. A87394

Primes p such that (p reversed)+10 is a square. A167474

Number of n X 3 arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..1 n X 3 array. A219349

Artiads (A001583) congruent to 1 mod 50 and for which 5 is a quintic residue. A271210