Properties of the Number 66047

Sixty-Six Thousand Forty-Seven

Basics

Value: 66046 → 66047 → 66048

Parity: odd

Prime: Yes

Previous Prime: 66041

Next Prime: 66067

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 66047

Divisors: 1, 66047

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 10000000111111111

Octal: 200777

Duodecimal: 3227B

Hexadecimal: 101ff

Square: 4362206209

Square Root: 256.99610891996014

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 form p² - 2, where p is prime. A49002

Primes of the form m = 2ⁱ + 2^j - 1, where i > j >= 0. A239712

Primes of the form (2ⁿ + 1)² - 2 = 4ⁿ + 2ⁿ⁺¹ - 1. A91514

a(n) = (2ⁿ + 1)² - 2. A93069

Primes p of form q^k-2 where q is also a prime and k > 1. A53705

Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 809", based on the 5-celled von Neumann neighborhood. A286858

Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 553", based on the 5-celled von Neumann neighborhood. A289370

Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 777", based on the 5-celled von Neumann neighborhood. A290293

Number of n X n circulant singular matrices over GF(2). A86324

Smallest m such that A116361(m) = n. A116362