Properties of the Number 77697

Seventy-Seven Thousand Six Hundred Ninety-Seven

Basics

Value: 77696 → 77697 → 77698

Parity: odd

Prime: No

Previous Prime: 77689

Next Prime: 77699

Digit Sum: 36

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 89 × 97

Divisors: 1, 3, 9, 89, 97, 267, 291, 801, 873, 8633

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010111110000001

Octal: 227601

Duodecimal: 38B69

Hexadecimal: 12f81

Square: 6036823809

Square Root: 278.7418160233588

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

a(n) = number of primes of the form x² + 1 <= 2ⁿ. A83847

a(n) = 6·a(n-1)-8·a(n-2) for n > 10; a(0)=221, a(1)=2754, a(2)=12456, a(3)=77697, a(4)=589869, a(5)=5333271, a(6)=48222198, a(7)=218509695, a(8)=3071851356, a(9)=12683673552, a(10)=51137150880. A177420

Number of primes of the form x² + 1 < 2ⁿ. A174246

a(n) = A077696(n+1)/A077696(n). A77697