Properties of the Number 88561

Eighty-Eight Thousand Five Hundred Sixty-One

Basics

Value: 88560 → 88561 → 88562

Parity: odd

Prime: No

Previous Prime: 88547

Next Prime: 88589

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 11 × 83 × 97

Divisors: 1, 11, 83, 97, 913, 1067, 8051, 88561

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10101100111110001

Octal: 254761

Duodecimal: 43301

Hexadecimal: 159f1

Square: 7843050721

Square Root: 297.5920025807145

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

Pseudoprimes to both base 2 and base 3, i.e., intersection of A001567 and A005935. A52155

a(n) = (3 + 2·n + 6·n² + 4·n³)/3. A166464

Composite numbers n with the property that φ(n) divides (n-1)². A173703

Composite numbers k of the form 4u+1 for which the odd part of φ(k) divides k-1. A339870

Composite numbers k such that 2^k-2 and 3^k-3 are both divisible by k and k is not a Carmichael number (A002997). A153513

Composite integers k such that 2^k == 2 (mod k*(k+1)). A217465

Fermat pseudoprimes to base 2 with three prime factors. A215672

Number of nonnegative integer matrices with sum of entries equal to n and no zero rows or columns, whose entries are all distinct. A321660

Numbers m such that exactly half of the a such that 0<a<m and (a,m)=1 satisfy a^m-1 == 1 (mod m). A191311

Odd non-Carmichael numbers with increasing numbers of bases to which they are pseudoprimes. A194946