Properties of the Number 78105

Seventy-Eight Thousand One Hundred Five

Basics

Value: 78104 → 78105 → 78106

Parity: odd

Prime: No

Previous Prime: 78101

Next Prime: 78121

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 × 41 × 127

Divisors: 1, 3, 5, 15, 41, 123, 127, 205, 381, 615

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011000100011001

Octal: 230431

Duodecimal: 39249

Hexadecimal: 13119

Square: 6100391025

Square Root: 279.47271780980697

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

Position of n in the sequence (or tree) S generated in order by these rules: 0 is in S; if·is in S then x + 1 is in S; if nonzero·is in S then 1/x is in S; if·is in S, then i·x is in S; where duplicates are deleted as they occur. A233694

Positions of integers in the sequence (or tree) S generated in order by these rules: 0 is in S; if·is in S then x + 1 is in S; if nonzero·is in S then 1/x is in S; if·is in S, then i·x is in S; where duplicates are deleted as they occur. A233696

Number of nonisomorphic ways a loop can cross three roads meeting in a Y n times (orbits under symmetry group of order 6). A78105

Complement of A119315. A119316