Properties of the Number 9903

Nine Thousand Nine Hundred Three

Basics

Value: 9902 → 9903 → 9904

Parity: odd

Prime: No

Previous Prime: 9901

Next Prime: 9907

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 3301

Divisors: 1, 3, 3301, 9903

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011010101111

Octal: 23257

Duodecimal: 5893

Hexadecimal: 26af

Square: 98069409

Square Root: 99.51381813597547

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 partitions of n in which each part, with the possible exception of the largest, occurs at least twice. A116931

Number of partitions of n containing a clique of size 10. A183567

a(n) = ∑_k=1..n floor(n/k) * 3^k-1. A344814

Sum of the largest parts in the partitions of n into 8 parts. A308998

Semiprimes p such that next semiprime after p is p + 10. A217030

Start with 1015 and repeatedly reverse the digits and add 4 to get the next term. A117807

a(n) = number of 7-digit primes with digit sum n, where n runs through the non-multiples of 3 in the range [2..62]. A178876

Expansion of ψ(x⁴) / φ(-x³) in powers of·where φ(), ψ() are Ramanujan θ functions. A261877

a(n)= 3·a(n-3) +3·a(n-6) +a(n-9). A109528

Numbers k such that (7·10^2k+1 - 18·10^k - 7)/9 is prime. A183180