Properties of the Number 68474

Sixty-Eight Thousand Four Hundred Seventy-Four

Basics

Value: 68473 → 68474 → 68475

Parity: even

Prime: No

Previous Prime: 68473

Next Prime: 68477

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 × 7 × 67 × 73

Divisors: 1, 2, 7, 14, 67, 73, 134, 146, 469, 511

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000101101111010

Octal: 205572

Duodecimal: 33762

Hexadecimal: 10b7a

Square: 4688688676

Square Root: 261.6753714051057

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

Numbers k such that k and k² have the same set of digits. A29793

Numbers n such that the decimal expansions of both n and n² have 4 as the digit with the smallest value and 8 as the digit with the largest value. A254071

Zeroless numbers n such that n and n² have the same set of decimal digits. A257763

Numbers k such that k, k+1 and k+2 have exactly 4 distinct prime factors. A364309

Numbers k such that k², (k+1)² and (k+2)² are all abundant numbers. A383391

a(n) = ∑_k=0..n binomial(n,k)³ * abs(Stirling1(2·k,k)) * abs(Stirling1(2·n-2·k,n-k)). A384496

Numbers k such that k and k² use only the digits 0, 4, 6, 7 and 8. A136954

Numbers k such that k and k² use only the digits 1, 4, 6, 7 and 8. A137052

Numbers k such that k and k² use only the digits 2, 4, 6, 7 and 8. A137101

Numbers k such that k and k² use only the digits 3, 4, 6, 7 and 8. A137127