Properties of the Number 71642

Seventy-One Thousand Six Hundred Forty-Two

Basics

Value: 71641 → 71642 → 71643

Parity: even

Prime: No

Previous Prime: 71633

Next Prime: 71647

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 113 × 317

Divisors: 1, 2, 113, 226, 317, 634, 35821, 71642

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001011111011010

Octal: 213732

Duodecimal: 35562

Hexadecimal: 117da

Square: 5132576164

Square Root: 267.6602323842674

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(1)=2; for n > 1, a(n) is the square root of the smallest square with a(n-1) as a prefix in base 10. A308055

Numbers n such that xⁿ + x^n-1 + x^n-2 + ... + x + 1 is irreducible over GF(2). A71642