Properties of the Number 71728

Seventy-One Thousand Seven Hundred Twenty-Eight

Basics

Value: 71727 → 71728 → 71729

Parity: even

Prime: No

Previous Prime: 71719

Next Prime: 71741

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ⁴ × 4483

Divisors: 1, 2, 4, 8, 16, 4483, 8966, 17932, 35864, 71728

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001100000110000

Octal: 214060

Duodecimal: 35614

Hexadecimal: 11830

Square: 5144905984

Square Root: 267.8208356345712

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

Elements of cycles for iterations of A329623: n -> |n - concat(sum of adjacent digits of n)|. A328142

Expansion of (1+x³*C)*C³, where C = (1-(1-4·x)^1/2)/(2·x) is g.f. for Catalan numbers, A000108. A71728