Properties of the Number 68452

Sixty-Eight Thousand Four Hundred Fifty-Two

Basics

Value: 68451 → 68452 → 68453

Parity: even

Prime: No

Previous Prime: 68449

Next Prime: 68473

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 109 × 157

Divisors: 1, 2, 4, 109, 157, 218, 314, 436, 628, 17113

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10000101101100100

Octal: 205544

Duodecimal: 33744

Hexadecimal: 10b64

Square: 4685676304

Square Root: 261.6333312099206

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

The location of records in A210700. A210701

a(n) = 225·n² - 251·n + 70. A156810

Number of (n+2)X4 0..2 matrices with each 3X3 subblock idempotent. A224600

Number of active (ON, black) cells at stage 2ⁿ-1 of the two-dimensional cellular automaton defined by "Rule 14", based on the 5-celled von Neumann neighborhood. A269708

π² = ∑_n>=1 a(n)/n!. A68452

Number of n X 5 0..1 arrays with no 1 equal to more than three of its horizontal, vertical and antidiagonal neighbors. A283412