Properties of the Number 75525

Seventy-Five Thousand Five Hundred Twenty-Five

Basics

Value: 75524 → 75525 → 75526

Parity: odd

Prime: No

Previous Prime: 75521

Next Prime: 75527

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 ² × 19 × 53

Divisors: 1, 3, 5, 15, 19, 25, 53, 57, 75, 95

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010011100000101

Octal: 223405

Duodecimal: 37859

Hexadecimal: 12705

Square: 5704025625

Square Root: 274.8181216732259

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

Non-palindromes numbers not ending in 0 whose square is the product of a number and its reverse in only one way. A325151

Quotients k*(k+1)*(k+2) / (k+(k+1)+(k+2)) that are lucky numbers. A32792

Octagonal numbers which are the sums of exactly two positive octagonal numbers. A136346

a(n) is the n-th J₆-prime (Josephus₆ prime). A163786

Numbers whose square is the product of a number and its reverse. A207373

Numbers that begin a run of 3 consecutive odd valued terms in A360519. A361112

Expansion of 1/((1-3x)(1-5x)(1-8x)(1-10x)). A28065

Numbers k such that F(k)*F(k+1) + F(k+2) is a prime, where F = A000045 (Fibonacci numbers). A305414

Triangle T(n,k) defined by ∑_k=1..n T(n,k)*u^k*tⁿ/n! = ((1+t)*(1+t²)*(1+t³)...)^u. A75525

Numbers k such that there are precisely 6 groups of orders k and k + 1. A295992