Properties of the Number -12909

Twelve Thousand Nine Hundred Nine

Basics

Value: -12910 → -12909 → -12908

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 13 × 331

Divisors: 1, 3, 13, 39, 331, 993, 4303, 12909

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11001001101101

Octal: -31155

Duodecimal: -7579

Hexadecimal: -326d

Square: 166642281

Square Root: 113.61778029868388

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

Number of B-trees of order 3 with n leaves. A14535

a(n) = ∑_k=1..n binomial(floor(n/k)+2,3). A364970

Sum of the divisors of the n-th odd square: a(n) = σ((2·n-1)²). A379223

Numbers m with the property that its k-th smallest divisor, for all 1 <= k <= τ(m), contains exactly k "1" digits in its binary representation. A255401

a(n) = n*(17·n - 1)/2. A22274

a(n) = 13*(2ⁿ - 1) - 3·n² - 9·n. A257448

Indices of records in A327008. A327010

Numbers k whose ordered binary weights (A000120) of their divisors are the numbers 1 to A000005(k). A354724

Number of A095282-primes in range ]2ⁿ,2ⁿ⁺¹]. A95292

Number of partitions of n with exactly one prime number. A132381