Properties of the Number 69827

Sixty-Nine Thousand Eight Hundred Twenty-Seven

Basics

Value: 69826 → 69827 → 69828

Parity: odd

Prime: Yes

Previous Prime: 69821

Next Prime: 69829

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 69827

Divisors: 1, 69827

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001000011000011

Octal: 210303

Duodecimal: 344AB

Hexadecimal: 110c3

Square: 4875809929

Square Root: 264.24798958554067

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 (2+n)*(1+2·n)+(1+n)*(2+2·n). A171748

Let p_3,2(m) be the m-th prime == 2(mod 3). Then a(n) is the smallest p_3,2(m) such that the interval(p_3,2(m)*n, p_3,2(m+1)*n) contains exactly one prime == 2 (mod 3). A210467

Numbers k such that 128·3^k + 1 is prime. A388408

Primes associated with A066042. A66146

Smaller member of a twin prime pair with a triangular sum. A86816

Primes p such that p + 2, 18·p² + 1, and 18*(p+2)² + 1 are all primes. A115272

Numbers k such that σ(core(k)) = τ(k) where core(k) is the squarefree part of k, τ(k) is the number of divisors of k, and σ(k) is their sum. A69827

Number of nX5 0..1 arrays with every element equal to 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero. A298954

Primes that are sum of 5 consecutive primes congruent to 1 mod 6. A265915