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Properties of the Number 71111

Seventy-One Thousand One Hundred Eleven

Basics

Value: 71110 → 71111 → 71112

Parity: odd

Prime: No

Previous Prime: 71089

Next Prime: 71119

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 17 × 47 × 89

Divisors: 1, 17, 47, 89, 799, 1513, 4183, 71111

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001010111000111

Octal: 212707

Duodecimal: 3519B

Hexadecimal: 115c7

Square: 5056774321

Square Root: 266.66645833325197

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; for n>0, a(n) is the smallest number greater than a(n-1) which does not use any digit used by a(n-1). A30283
Numbers with multiplicative digital root value 7. A34054
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
Number of nonzero coefficients in the polynomial factor of the expression counting binomial coefficients with 2-adic valuation n. A275012
Numbers n such that sum of digits and product of digits are both prime. A52430
Lexicographically earliest increasing sequence of composite numbers such that the digits of a(n) do not appear in a(n-1). A100373
Lexicographically earliest increasing sequence of numbers with all odd digits alternating with numbers with all even digits. A180412
Composite numbers for which both sum and product of digits are primes. A225864
Largest positive number using exactly n segments on a calculator display (when '6' and '7' are represented using 6 resp. 3 segments). A337099