Properties of the Number 77343

Seventy-Seven Thousand Three Hundred Forty-Three

Basics

Value: 77342 → 77343 → 77344

Parity: odd

Prime: No

Previous Prime: 77339

Next Prime: 77347

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 7 × 29 × 127

Divisors: 1, 3, 7, 21, 29, 87, 127, 203, 381, 609

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010111000011111

Octal: 227037

Duodecimal: 38913

Hexadecimal: 12e1f

Square: 5981939649

Square Root: 278.1060948630936

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 k³ divides 5^k² + 1. A128679

Numbers k such that k² divides 5^k + 1. A292331

Sum of binomial(Y(2,p), 2) over the partitions p of n, where Y(2,p) is the number of part sizes with multiplicity 2 or greater in p. A304825

Final terms of rows in A077341. A77343

a(1) = 1, a(2) = 2, a(3) = 3, a(4) = 5, a(5) = 7; for n > 5, a(n) is the smallest unused positive number that is coprime to a(n-1), a(n-2) and a(n-3) but has a common factor with at least one of a(1)...a(n-4). A373999