Properties of the Number 71406

Seventy-One Thousand Four Hundred Six

Basics

Value: 71405 → 71406 → 71407

Parity: even

Prime: No

Previous Prime: 71399

Next Prime: 71411

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 3967

Divisors: 1, 2, 3, 6, 9, 18, 3967, 7934, 11901, 23802

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001011011101110

Octal: 213356

Duodecimal: 353A6

Hexadecimal: 116ee

Square: 5098816836

Square Root: 267.2190112997202

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 k such that k, k + 1 and k + 2 have the same number of divisors in Gaussian integers. A332313

a(n) is the number of terms in the expansion of (x+y-z)*(x²+y²-z²)*(x³+y³-z³)*...*(xⁿ+yⁿ-zⁿ). A86817

A024581 / [1,2,3,...]. A153582

a(n) is the smallest multiplier of n! such that -1+a(n)*n! and 1+a(n)*n! are both primes. A71406