Properties of the Number 71842

Seventy-One Thousand Eight Hundred Forty-Two

Basics

Value: 71841 → 71842 → 71843

Parity: even

Prime: No

Previous Prime: 71837

Next Prime: 71843

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 17 × 2113

Divisors: 1, 2, 17, 34, 2113, 4226, 35921, 71842

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10001100010100010

Octal: 214242

Duodecimal: 356AA

Hexadecimal: 118a2

Square: 5161272964

Square Root: 268.0335799857921

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

Number of 6-cycles in the n X n king graph. A288920

The consecutive squares of numbers multiplied by their next consecutive integer. A193608

Numbers k such that all digits in k are different and for each digit d it is true that k = d (mod sum of digits(k) - d). A306788

Number of primes == 7 mod 8 <= n. A71842

Number of 5Xn 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 1 0 and 1 0 1 vertically. A207469