Properties of the Number 67649

Sixty-Seven Thousand Six Hundred Forty-Nine

Basics

Value: 67648 → 67649 → 67650

Parity: odd

Prime: No

Previous Prime: 67631

Next Prime: 67651

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 61 × 1109

Divisors: 1, 61, 1109, 67649

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000100001000001

Octal: 204101

Duodecimal: 33195

Hexadecimal: 10841

Square: 4576387201

Square Root: 260.09421369957465

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

Reduced binary string self-substitutions: a(n) is obtained by substituting n for each 1-bit in the binary expansion of n, then dividing by n. A65160

Numbers n such that p1=2n+3, p2=4n+5, p3=6n+7 and p4=8n+9 are all prime. A105653

Number of runs of strictly increasing numbers of 2 X 2 squares in the list of partitions of n² into squares, where partition sorting order is ascending with larger squares taking higher precedence. A227940

a(n+5) = a(n+4)+a(n+3)+a(n+2)+a(n+1)+2·a(n) with a(0)=0, a(1)=a(2)=a(3)=a(4)=1. A226310

Numerators of power series for sqrt(1+x²)/sqrt(1-x). A67649