Properties of the Number 67849

Sixty-Seven Thousand Eight Hundred Forty-Nine

Basics

Value: 67848 → 67849 → 67850

Parity: odd

Prime: No

Previous Prime: 67843

Next Prime: 67853

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 19 × 3571

Divisors: 1, 19, 3571, 67849

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000100100001001

Octal: 204411

Duodecimal: 33321

Hexadecimal: 10909

Square: 4603486801

Square Root: 260.4784060147789

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) = floor(n*φ¹⁷), where φ is the golden ratio, A001622. A4932

Numbers m such that k = m·23² divides 3^k-1 - 2^k-1. A130058

Diagonal sums of number array A082110. A82114

a(n) = 4ⁿ + 6ⁿ + 9ⁿ. A74567

a(n) = round(n*φ¹⁷), where φ is the golden ratio, A001622. A4952

Self-composition of binary encoding of GF(2) polynomial. A193145

Numbers k such that (3^ord(3/2, k) - 2^ord(3/2, k))/k is a prime, where ord(3/2, k) is the multiplicative order of 3/2 (mod k). A345705

a(n) = max{k: f(n),...,f^k(n) are prime}, where f(m) = 2m+1 and f^k denotes composition of f with itself k times. A67849