Properties of the Number 75387

Seventy-Five Thousand Three Hundred Eighty-Seven

Basics

Value: 75386 → 75387 → 75388

Parity: odd

Prime: No

Previous Prime: 75377

Next Prime: 75389

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 13 × 1933

Divisors: 1, 3, 13, 39, 1933, 5799, 25129, 75387

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010011001111011

Octal: 223173

Duodecimal: 37763

Hexadecimal: 1267b

Square: 5683199769

Square Root: 274.5669317306802

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

Square array T(n,m) (n>=0, m>=0) read by antidiagonals downwards giving number of rooted triangulations of type [n,m] up to orientation-preserving isomorphisms. A262586

Numbers k such that (34·10^k - 403)/9 is prime. A293594

Product of terms of n-th group in A075383. A75387