Properties of the Number -9509

Five Hundred Nine

Basics

Value: -9510 → -9509 → -9508

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 37 × 257

Divisors: 1, 37, 257, 9509

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10010100100101

Octal: -22445

Duodecimal: -5605

Hexadecimal: -2525

Square: 90421081

Square Root: 97.51410154434076

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

a(n) = n*(7·n-2). A135703

Take first n bits of the infinite Fibonacci word A003849, regard them as a binary number, then convert it to base 10. A182028

Numerators of coefficients of odd powers of·in expansion of f(x) = x cos (x cos (x cos( ... . A309204

Numbers that are the sum of nine fourth powers in exactly seven ways. A345849

Numbers which need ten 'Reverse and Add' steps to reach a palindrome. A65215

Semiprimes p·q such that 2^p mod q == 2^q mod p. A179707

Semiprimes p·q with p < q and 2^p (mod q) == 2^q (mod p). A179839

Least k such that φ(k) has exactly n divisors. A276044

Number of integer partitions of n whose length is twice their alternating sum. A357709

Numbers such that ten iterations of Reverse and Add are needed to reach a palindrome. A15991