Properties of the Number 70531

Seventy Thousand Five Hundred Thirty-One

Basics

Value: 70530 → 70531 → 70532

Parity: odd

Prime: No

Previous Prime: 70529

Next Prime: 70537

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 251 × 281

Divisors: 1, 251, 281, 70531

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001001110000011

Octal: 211603

Duodecimal: 34997

Hexadecimal: 11383

Square: 4974621961

Square Root: 265.5767309084137

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

Nonprime squarefree numbers whose prime indices all have the same ω (A001222) and the same sum of prime indices (A056239). A327908

n-th 4k+1 prime times (n+1)st 4k+3 prime. A48628

a(0)=0, a(1)=1, a(n) = min{3 a(k) + (3^n-k-1)/2, k=0..(n-1)} for n>=2. A259653

Generalized Bell numbers B_4,3. A70531