Properties of the Number 77285

Seventy-Seven Thousand Two Hundred Eighty-Five

Basics

Value: 77284 → 77285 → 77286

Parity: odd

Prime: No

Previous Prime: 77279

Next Prime: 77291

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 5 × 13 × 29 × 41

Divisors: 1, 5, 13, 29, 41, 65, 145, 205, 377, 533

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010110111100101

Octal: 226745

Duodecimal: 38885

Hexadecimal: 12de5

Square: 5972971225

Square Root: 278.0017985553331

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 that are the hypotenuse of exactly 40 distinct integer-sided right triangles, i.e., k² can be written as a sum of two squares in 40 ways. A97282

RMS values of the RMS numbers: a(n) is the root mean square of the divisors of A140480(n). A141812

Numbers that are the sum of 2 nonzero squares in 7 or more ways. A25298

Numbers that are the sum of 2 nonzero squares in 8 or more ways. A25299

Numbers that are the sum of 2 distinct nonzero squares in 7 or more ways. A25317

Numbers that are the sum of 2 distinct nonzero squares in 8 or more ways. A25318

Numbers that are the sum of 2 nonzero squares in exactly 8 ways. A25291

Numbers n that are the product of four distinct odd primes and x² + y² = n has integer solutions. A264499

Numbers that are the sum of 2 distinct nonzero squares in exactly 8 ways. A25309

a(n) = 4·prime(n)²+1. A60429