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Properties of the Number 47387

Forty-Seven Thousand Three Hundred Eighty-Seven

Basics

Value: 47386 → 47387 → 47388

Parity: odd

Prime: Yes

Previous Prime: 47381

Next Prime: 47389

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 47387

Divisors: 1, 47387

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1011100100011011

Octal: 134433

Duodecimal: 2350B

Hexadecimal: b91b

Square: 2245527769

Square Root: 217.68555303464674

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 p with prime(p)3 + 2·p3 and p3 + 2·prime(p)3 both prime. A236574
Lesser of twin primes of (29n + 1, 29n + 3). A248620
Primes of the form k!12+2, where k!12 is the 12-way factorial number. A288892
Lesser twin primes p such that 4·p is the sum of two consecutive primes. A350736
Least prime p such that p-2 has n divisors, or 0 if no such prime exists. A167675
a(n) = bn(pn+1) where pn is the n-th prime, bn(1)=1, bn(2)=pn, and for k>=3, bn(k) is the smallest number larger than bn(k-1) such that, for all i<k, bn(k) is relatively prime to bn(i) iff k is relatively prime to i. A173381
Numbers that are congruent to {1, 2, 5} mod 7. A47387
Numbers k such that k![12]+2 is prime, where k![12] is the twelve-fold multifactorial. A283594