Properties of the Number 71357

Seventy-One Thousand Three Hundred Fifty-Seven

Basics

Value: 71356 → 71357 → 71358

Parity: odd

Prime: No

Previous Prime: 71353

Next Prime: 71359

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 11 × 13 × 499

Divisors: 1, 11, 13, 143, 499, 5489, 6487, 71357

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001011010111101

Octal: 213275

Duodecimal: 35365

Hexadecimal: 116bd

Square: 5091821449

Square Root: 267.12731047199196

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

p-INVERT of the positive integers, where p(S) = 1 - S² - S⁴. A290899

s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n+1-k), where k = [ (n+1)/2 ], s = (composite numbers), t = (F(2), F(3), ...). A24589

a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = (composite numbers), t = (F(2), F(3), F(4), ...). A25103

Number of 6-ary rooted trees with n nodes and height at most 8. A36625

Numbers k such that (5·10^k - 143)/3 is prime. A271821

Expansion of (1 - 4·x - (1-2·x)*sqrt(1-4·x-4·x²))/(8·x³). A71357