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Properties of the Number 11171

Eleven Thousand One Hundred Seventy-One

Basics

Value: 11170 → 11171 → 11172

Parity: odd

Prime: Yes

Previous Prime: 11161

Next Prime: 11173

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 11171

Divisors: 1, 11171

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

603 Try Today's Challenge

Representations

Binary: 10101110100011

Octal: 25643

Duodecimal: 656B

Hexadecimal: 2ba3

Square: 124791241

Square Root: 105.69295151522641

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 n, 2n+1, and 4n+3 all prime. A7700
Initial primes of Cunningham chains of first type with length exactly 3. Primes in A059453 that survive as primes just two "2p+1 iterations", forming chains of exactly 3 terms. A59762
a(n) is the number of completed steps before being trapped for a knight moving on a square-spiral numbered board where the knight moves to an unvisited square with the lowest spiral number and with n or fewer visited neighbors. It only moves to squares with n+1 or more visited neighbors when no other squares are available, and if two or more such squares are present it chooses the square with the fewest visited neighbors, then the square with the lowest spiral number if still tied. A329520
Numbers with multiplicative digital root value 7. A34054
Near-repunit primes. A105992
Primes having only {1, 4, 7} as digits. A79651
Primes with digital product = 7. A107693
Smallest prime p==3 (mod 8) such that Q(sqrt(-p)) has class number 2n+1. A2148
Numbers using only digits 1 and 7. A276039
T(n,k)=Number of nXk 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2 or 4 neighboring 1s. A297733

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