Properties of the Number 84869

Eighty-Four Thousand Eight Hundred Sixty-Nine

Basics

Value: 84868 → 84869 → 84870

Parity: odd

Prime: Yes

Previous Prime: 84859

Next Prime: 84871

Digit Sum: 35

Digital Root: 8

Palindrome: No

Factorization: 84869

Divisors: 1, 84869

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100101110000101

Octal: 245605

Duodecimal: 41145

Hexadecimal: 14b85

Square: 7202747161

Square Root: 291.322844967572

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 such that x⁴⁹ = 2 has no solution mod p, but x⁷ = 2 has a solution mod p. A59667

G.f.: ∏_k>=1 (1+x^k²) / (1-x^k). A280204

Primes p such that p+2 is prime with prime(p+2)-prime(p)=6. A261533

Primes whose proper substrings of consecutive digits are all composite. A279366

Primes using only the composite digits (4, 6, 8, 9) and all of them. A157527

Primes of the form 8n² - 3. A201856

Number of 2-multiantichains of an n-set. A84869