Properties of the Number 69561

Sixty-Nine Thousand Five Hundred Sixty-One

Basics

Value: 69560 → 69561 → 69562

Parity: odd

Prime: No

Previous Prime: 69557

Next Prime: 69593

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 59 × 131

Divisors: 1, 3, 9, 59, 131, 177, 393, 531, 1179, 7729

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000111110111001

Octal: 207671

Duodecimal: 34309

Hexadecimal: 10fb9

Square: 4838732721

Square Root: 263.74419424889714

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

Number of n-digit perfect powers. A75308

E.g.f. A(x) satisfies: [xⁿ] A(x)^4·n = (n + 3) * [x^n-1] A(x)^4·n for n>=1. A300988

a(n) = ceiling(a(n-1)/(2^1/3-1)+1), a(1)=1. A303647

Number of n X 3 0..3 arrays with no element equal to one plus the sum of elements to its left or zero plus the sum of elements above it or zero plus the sum of the elements diagonally to its northwest or zero plus the sum of the elements antidiagonally to its northeast, modulo 4. A240757

O.g.f. A(x) satisfies: A(x) = x*(1 - 3·x*A'(x)) / (1 - 4·x*A'(x)). A300989

Start of a run of n consecutive positive numbers divisible respectively by first n primes. A69561

Number of n-digit perfect powers with distinct digits. A75797

Number of n X 4 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 3,0,2,4,1 for x=0,1,2,3,4. A196452