Properties of the Number 51572

Fifty-One Thousand Five Hundred Seventy-Two

Basics

Value: 51571 → 51572 → 51573

Parity: even

Prime: No

Previous Prime: 51563

Next Prime: 51577

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 12893

Divisors: 1, 2, 4, 12893, 25786, 51572

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1100100101110100

Octal: 144564

Duodecimal: 25A18

Hexadecimal: c974

Square: 2659671184

Square Root: 227.09469390542793

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

Sequence shifts left six places under Weigh transform with a(n) = signum(n) for n<6. A316078

Number of positive integers <= 2ⁿ of form x² + 16·y². A18

Row 2 of table A111528. A111529

a(1) = 5, a(n) = σ(a(n-1)). A51572