Properties of the Number 71671

Seventy-One Thousand Six Hundred Seventy-One

Basics

Value: 71670 → 71671 → 71672

Parity: odd

Prime: Yes

Previous Prime: 71663

Next Prime: 71693

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 71671

Divisors: 1, 71671

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10001011111110111

Octal: 213767

Duodecimal: 35587

Hexadecimal: 117f7

Square: 5136732241

Square Root: 267.7144000609605

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

Primes having only {1, 6, 7} as digits. A260891

a(n) = 62·n² - 1. A158680

Primes with 15 as smallest positive primitive root. A61328

Numbers k such that k!6 - 32 is prime, where k!6 is the sextuple factorial number (A085158). A289699

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with each row and column modulo 3 equal to 1, read as a binary number with top and left being the most significant bits. A263913

The binary encoding of parenthesizations given in a "global arithmetic order", using A061579 as the packing bijection N X N -> N. A71671

Number of (2n+1) X (3+2) 0..1 arrays with each row and column modulo 3 equal to 1, read as a binary number with top and left being the most significant bits. A263908