Properties of the Number 71419

Seventy-One Thousand Four Hundred Nineteen

Basics

Value: 71418 → 71419 → 71420

Parity: odd

Prime: Yes

Previous Prime: 71413

Next Prime: 71429

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 71419

Divisors: 1, 71419

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10001011011111011

Octal: 213373

Duodecimal: 353B7

Hexadecimal: 116fb

Square: 5100673561

Square Root: 267.2433348093082

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 that remain prime when a single digit 9 is inserted between any two consecutive digits or as the leading or trailing digit. A215421

Number of nX4 0..1 arrays with no element equal to more than one of its horizontal and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards. A281052

a(1)=1, and recursively a(n+1) is the smallest prime p of the form p = 2·a(n) + 5^k for some k>0. A113927

T(n,k)=Number of nXk 0..1 arrays with no element equal to more than one of its horizontal and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards. A281056

a(1)=1, a(n+1)=(a(n)+n)/2 if a(n)+n is even, a(n+1)=(3*(a(n)+n)+1)/2 otherwise. A71419