Properties of the Number -9669

Six Hundred Sixty-Nine

Basics

Value: -9670 → -9669 → -9668

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 30

Digital Root: 3

Palindrome: Yes

Factorization: 3 × 11 × 293

Divisors: 1, 3, 11, 33, 293, 879, 3223, 9669

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10010111000101

Octal: -22705

Duodecimal: -5719

Hexadecimal: -25c5

Square: 93489561

Square Root: 98.33107342035883

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) = ∑_i=1..n i²*(-1)^ceiling(sqrt(i)). A392677

Sum of fourth powers of first n odd numbers. A2309

Numbers k such that 3^k + 16 is prime. A205647

Expansion of Jacobi θ constant (theta₂/2)¹². A14787

a(n) is the smallest composite number whose prime divisors (with multiplicity) sum to prime(n); n >= 3. A295185

Number of totally co-strong integer partitions of n. A332275

Recurrence a(n) = a(n-2) + n^M for M=4, starting with a(0)=0, a(1)=1. A231303

3-almost primes with semiprime digits (digits 4, 6, 9 only). A111494

Fundamental discriminants of real quadratic number fields with class number 10. A218160

Numbers that are the sum of nine fourth powers in eight or more ways. A345592