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Properties of the Number 3648

Three Thousand Six Hundred Forty-Eight

Basics

Value: 3647 → 3648 → 3649

Parity: even

Prime: No

Previous Prime: 3643

Next Prime: 3659

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 6 × 3 × 19

Divisors: 1, 2, 3, 4, 6, 8, 12, 16, 19, 24

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 111001000000

Octal: 7100

Duodecimal: 2140

Hexadecimal: e40

Square: 13307904

Square Root: 60.398675482166

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 phylogenetic rooted trees with n unlabeled objects. A141268
Numbers n such that n = product (pk)ck and set of its (ck k's)'s is a self-conjugate partition, where pk is k-th prime and ck > 0. A88902
Numbers that are divisible by exactly 8 primes counting multiplicity. A46310
G.f.: ∏n >= 0 (1+x2n+1)/(1-x2n+1). A80054
Numbers whose sum of prime indices is twice their number, counted with multiplicity in both cases. A340387
Numbers that are the sum of 8 positive 6th powers. A3364
a(n) = n * σ(A003961(n)), where A003961 shifts the prime factorization of n one step towards larger primes, and σ is the sum of the divisors of n. A341528
Numbers that can be expressed as the difference of the squares of primes in just two distinct ways. A90788
Heinz numbers of integer partitions with the same product of parts as their conjugate. A325040
Heinz numbers of integer partitions with as many even parts as even conjugate parts and as many odd parts as odd conjugate parts. A350949