Properties of the Number 71306

Seventy-One Thousand Three Hundred Six

Basics

Value: 71305 → 71306 → 71307

Parity: even

Prime: No

Previous Prime: 71293

Next Prime: 71317

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 101 × 353

Divisors: 1, 2, 101, 202, 353, 706, 35653, 71306

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001011010001010

Octal: 213212

Duodecimal: 35322

Hexadecimal: 1168a

Square: 5084545636

Square Root: 267.0318333083155

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 σ(σ*(n)) = σ*(σ(n)), where σ*(n) is the sum of anti-divisors of n (A066417). A230373

a(n) = (1/2) * (number of n X n 0..6 matrices M with MM' mod 7 = I, where M' is the transpose of M and I is the n X n identity matrix). A71306

T(n,k)=Number of nondecreasing arrangements of n+2 numbers in 0..k with each number being the sum mod (k+1) of two others. A183912