Properties of the Number 75089

Seventy-Five Thousand Eighty-Nine

Basics

Value: 75088 → 75089 → 75090

Parity: odd

Prime: No

Previous Prime: 75083

Next Prime: 75109

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 7 × 17 × 631

Divisors: 1, 7, 17, 119, 631, 4417, 10727, 75089

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10010010101010001

Octal: 222521

Duodecimal: 37555

Hexadecimal: 12551

Square: 5638357921

Square Root: 274.02372160088623

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 n such that m=(n²+1)/2, p=(m²+1)/2 and q=(p²+1)/2 are all prime. A188546

Number of nX2 0..1 arrays with every element equal to 1, 2 or 3 king-move adjacent elements, with upper left element zero. A297817

a(n) = 52·n² + 1. A158644

T(n,k)=Number of nXk 0..1 arrays with every element equal to 1, 2 or 3 king-move adjacent elements, with upper left element zero. A297823

T(n,k)=Number of nXk 0..1 arrays with every element equal to 1, 2, 3 or 6 king-move adjacent elements, with upper left element zero. A297993

T(n,k)=Number of nXk 0..1 arrays with every element equal to 1, 2, 3, 6 or 7 king-move adjacent elements, with upper left element zero. A298653

T(n,k)=Number of nXk 0..1 arrays with every element equal to 1, 2, 3, 6 or 8 king-move adjacent elements, with upper left element zero. A298846

T(n,k)=Number of nXk 0..1 arrays with every element equal to 1, 2, 3, 6, 7 or 8 king-move adjacent elements, with upper left element zero. A299607

Smallest prime == 1 mod n-th composite number. A75089