Properties of the Number 69247

Sixty-Nine Thousand Two Hundred Forty-Seven

Basics

Value: 69246 → 69247 → 69248

Parity: odd

Prime: Yes

Previous Prime: 69239

Next Prime: 69257

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 69247

Divisors: 1, 69247

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10000111001111111

Octal: 207177

Duodecimal: 340A7

Hexadecimal: 10e7f

Square: 4795147009

Square Root: 263.1482471915783

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

Numbers k such that 3^k - 8 is prime. A217135

Numerators of lower primes-only best approximates (POBAs) to the golden ratio, φ (A001622); see Comments. A265796

Fibonacci sequence beginning 2 9. A22114

Numerators of primes-only best approximates (POBAs) to the golden ratio, φ; see Comments. A265800

Denominators of upper primes-only best approximates (POBAs) to sqrt(5); see Comments. A265787

Denominators of primes-only best approximates (POBAs) to sqrt(5); see Comments. A265789

Number of (s,2) gates. A37294

Greater prime factor of successively better golden semiprimes. A165572

Denominators of primes-only best approximates (POBAs) to 1/(golden ratio) = 1/φ; see Comments. A265807

Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-1)*b(n), where a(0) = 1, a(1) = 3, b(0) = 2, b(1) = 4, b(2) = 5, and (a(n)) and (b(n)) are increasing complementary sequences. A296273