Properties of the Number 63551

Sixty-Three Thousand Five Hundred Fifty-One

Basics

Value: 63550 → 63551 → 63552

Parity: odd

Prime: No

Previous Prime: 63541

Next Prime: 63559

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 103 × 617

Divisors: 1, 103, 617, 63551

Polygonal

Triangular: No

Square: No

Pentagonal: Yes

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1111100000111111

Octal: 174077

Duodecimal: 3093B

Hexadecimal: f83f

Square: 4038729601

Square Root: 252.09323672006752

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

Semiprimes of the form n*(3·n-1)/2. A245365

Positions of check bits in code in A075952. A75954

G.f. A(x) satisfies: 1 - x = ∑_n>=0 (x^4·n + (-1)ⁿ*A(x))ⁿ. A352820

Denominators of continued fraction convergents to sqrt(114). A41207

Pentagonal numbers (A000326) that are also brilliant numbers (A078972). A113941

Numbers k such that σ(k)*φ(k) is a palindrome. A115892

Number of n X 1 0..4 arrays with no three equal values in a row horizontally or vertically, and new values 0..4 introduced in row major order. A222919

Smallest number m such that prime(n) is a factor of both m and σ(m). A156099

Semiprimes of the form p(6p - 1). A330409

T(n,k)=Number of nXk 0..4 arrays with no three equal values in a row horizontally or vertically, and new values 0..4 introduced in row major order. A222924