Properties of the Number 71117

Seventy-One Thousand One Hundred Seventeen

Basics

Value: 71116 → 71117 → 71118

Parity: odd

Prime: No

Previous Prime: 71089

Next Prime: 71119

Digit Sum: 17

Digital Root: 8

Palindrome: Yes

Factorization: 19 ² × 197

Divisors: 1, 19, 197, 361, 3743, 71117

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001010111001101

Octal: 212715

Duodecimal: 351A5

Hexadecimal: 115cd

Square: 5057627689

Square Root: 266.6777081047458

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(0) = 0; thereafter a(n) is always the smallest integer > a(n-1) not leading to a contradiction, such that the concatenation of any two consecutive digits in the sequence is a prime. A152136

a(1) = 1; thereafter a(n) is always the smallest integer > a(n-1) not leading to a contradiction, such that the concatenation of any two consecutive digits in the sequence is a prime. A152607

Base-10 palindromes that start with 7. A43042

Palindromic composite numbers starting with a digit 7. A222728

Palindromes whose digits do not appear in previous term. A30285

a(n) = numerator of the Y-coordinate of n·P where P is the generator [0,0] for rational points on the curve y² + y = x³ + x². A350624

Number of D&P Family matchings on n edges. A256332

a(n) = numerator of the X-coordinate of n·P where P is the generator [0,0] for rational points on the curve y² + y = x³ + x². A350622

Numbers k such that the sum of the first k digits of the decimal expansion of e is prime. A71117

Palindromes with no palindromic aliquot parts except 1. A257973