Properties of the Number 75555

Seventy-Five Thousand Five Hundred Fifty-Five

Basics

Value: 75554 → 75555 → 75556

Parity: odd

Prime: No

Previous Prime: 75553

Next Prime: 75557

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 5 × 23 × 73

Divisors: 1, 3, 5, 9, 15, 23, 45, 69, 73, 115

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010011100100011

Octal: 223443

Duodecimal: 37883

Hexadecimal: 12723

Square: 5708558025

Square Root: 274.8726978075487

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

Integer part of 4th root of product of first n primes. A127601

Numbers k such that the k-th triangular number contains each of the 10 decimal digits exactly once. A115939

Numbers whose digits are prime and which retain this property when multiplied by some 1-digit prime (i.e., one of 2, 3, 5 or 7). A227922

Numbers k such that k and k² use only the digits 0, 2, 5, 7 and 8. A136916

Smallest prime p such that p+n is a square, or 0 if no such p exists. A75555