Properties of the Number 6655

Six Thousand Six Hundred Fifty-Five

Basics

Value: 6654 → 6655 → 6656

Parity: odd

Prime: No

Previous Prime: 6653

Next Prime: 6659

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 5 × 11 ³

Divisors: 1, 5, 11, 55, 121, 605, 1331, 6655

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1100111111111

Octal: 14777

Duodecimal: 3A27

Hexadecimal: 19ff

Square: 44289025

Square Root: 81.57818335805229

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 of the form 5ⁱ * 11^j. A3598

Numbers which have only digits 5 and 6 in base 10. A256291

Number of nonseparable toroidal tree-rooted maps with n + 2 edges and n + 1 vertices. A6414

Number of primes of the form 1 + b² for 1 < b < 10ⁿ. A215047

a(n) = 5·n³. A244725

a(n) = n²*binomial(n,2). A92364

A sequence of asymptotic density ζ(10) - 1, where ζ is the Riemann ζ function. A143036

Number of integer partitions of n whose differences of all degrees > 1 are nonzero. A325874

Sequence S such that 1 is in S and if·is in S, then 6x-1 and 6x+1 are in S. A147993

Numbers n such that n(n+1) is 13-smooth. (Related to the abc conjecture.) A252493