Properties of the Number 71238

Seventy-One Thousand Two Hundred Thirty-Eight

Basics

Value: 71237 → 71238 → 71239

Parity: even

Prime: No

Previous Prime: 71237

Next Prime: 71249

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 31 × 383

Divisors: 1, 2, 3, 6, 31, 62, 93, 186, 383, 766

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001011001000110

Octal: 213106

Duodecimal: 35286

Hexadecimal: 11646

Square: 5074852644

Square Root: 266.9044772947805

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

a(n) = n*(n+1)*(2·n²+1)/6. A71238

a(n) = ∑_k=0..n C(n,k)*C(n+k,k)³. A218693