Properties of the Number 71040

Seventy-One Thousand Forty

Basics

Value: 71039 → 71040 → 71041

Parity: even

Prime: No

Previous Prime: 71039

Next Prime: 71059

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 ⁷ × 3 × 5 × 37

Divisors: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001010110000000

Octal: 212600

Duodecimal: 35140

Hexadecimal: 11580

Square: 5046681600

Square Root: 266.53329998332293

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 with prime factorization pqrs⁷. A190473

Number of nonnegative solutions of x1² + x2² + ... + x10² = n. A45852

Numbers k such that k = Product (p_j^e_j) = Product (p_j*(e_j + 1)). A304410

a(n) is least k such that k and 8k are anagrams in base n (written in base 10). A23100

Numbers k such that σ(prime(k) - 1) == 0 (mod k). A67758

a(n) = (8·n³ + 15·n² + 13·n)/6. A332698

Pisano period of Hexanacci numbers (A001592) mod n. A381508

O.g.f. A(x) satisfies: 0 = [xⁿ] exp( n*(n-1) * Integral 1/A(x) dx ) / A(x), for n > 0. A304861

Triangle read by rows giving successive states of cellular automaton generated by "Rule 214". A71040

Expansion of g/(2 - g²)², where g = 1+x·g³ is the g.f. of A001764. A391463