Properties of the Number 655

Six Hundred Fifty-Five

Basics

Value: 654 → 655 → 656

Parity: odd

Prime: No

Previous Prime: 653

Next Prime: 659

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 5 × 131

Divisors: 1, 5, 131, 655

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 1010001111

Octal: 1217

Duodecimal: 467

Hexadecimal: 28f

Square: 429025

Square Root: 25.592967784139454

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

Sums of distinct powers of 5. A33042

Number of strict integer partitions of n with no adjacent parts having quotient > 2. A342095

Number of partitions of n such that if the length is k then k is not a part. A229816

Numbers whose sum of digits is 16. A235227

Triangle T read by rows: diagonal differences of triangle A037027. A55830

Moebius transform of A064987, n*σ(n). A69097

Multiples of 5 whose GCD with 6 is 1. A84967

Convolution of Fibonacci numbers and {F(2), F(3), F(4), ...}. A23610

Numbers k such that the k-th composition in standard order (row k of A066099) has alternating sum -2. A345924

A000120-perfect numbers. A175522