Properties of the Number 48205

Forty-Eight Thousand Two Hundred Five

Basics

Value: 48204 → 48205 → 48206

Parity: odd

Prime: No

Previous Prime: 48197

Next Prime: 48221

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 × 31 × 311

Divisors: 1, 5, 31, 155, 311, 1555, 9641, 48205

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1011110001001101

Octal: 136115

Duodecimal: 23A91

Hexadecimal: bc4d

Square: 2323722025

Square Root: 219.55637089367278

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

Primitive numbers in A229307. A229311

Numbers k such that k² is palindromic in base 6. A29990

Triangular numbers whose external digits as well as internal digits form triangular numbers. A77368

q-Catalan numbers (binomial version) for q=6. A15037

Triangular numbers with internal digits also forming a triangular number. A69702

Numbers which have more different digits than their cubes. A61374

Largest n-digit triangular number whose external digits as well as internal digits form a triangular number, or 0 if no such number exists. A77370

Triangular numbers whose sum of aliquot divisors is a prime number. A83676

Triangular numbers of the form 2p-1 where p is prime. A217000

Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where A(n,k) is the n-th q-Catalan number for q=k. A384437