ℕ atory
Play Now

Properties of the Number 9660

Nine Thousand Six Hundred Sixty

Basics

Value: 9659 → 9660 → 9661

Parity: even

Prime: No

Previous Prime: 9649

Next Prime: 9661

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 2 × 3 × 5 × 7 × 23

Divisors: 1, 2, 3, 4, 5, 6, 7, 10, 12, 14

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10010110111100

Octal: 22674

Duodecimal: 5710

Hexadecimal: 25bc

Square: 93315600

Square Root: 98.28529900244492

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

Numbers that are divisible by exactly 5 different primes. A51270
Smallest magic constant for any n X n magic square made from consecutive primes, or 0 if no such magic square exists. A73520
4 times hexagonal numbers: a(n) = 4·n*(2·n-1). A85250
4-dimensional figurate numbers: a(n) = (5·n-1)*binomial(n+2,3)/4. A2418
a(n) = (n4 + n2 + 2·n)/4. A6528
a(n) = lcm(p-1, p+1) where p is the n-th prime. A84921
Sparsely totient numbers; numbers n such that m > n implies φ(m) > φ(n). A36913
a(n) is the smallest positive integer such that a(n)*(1n + 2n + ... + xn) is a polynomial in·with integer coefficients. A64538
Numbers divisible by prime(d) for each digit d in their base-9 representation, none of which may be zero. A256879
Numbers k such that φ(x) = k has exactly 11 solutions. A60674