Properties of the Number 3626

Three Thousand Six Hundred Twenty-Six

Basics

Value: 3625 → 3626 → 3627

Parity: even

Prime: No

Previous Prime: 3623

Next Prime: 3631

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 7 ² × 37

Divisors: 1, 2, 7, 14, 37, 49, 74, 98, 259, 518

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 111000101010

Octal: 7052

Duodecimal: 2122

Hexadecimal: e2a

Square: 13147876

Square Root: 60.21627686929839

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 strict integer partitions of n that are empty or have smallest part not dividing all the others. A341450

Second 11-gonal (or hendecagonal) numbers: a(n) = n*(9·n+7)/2. A62728

Number T(n,k) of set partitions of [n] where each subset is again partitioned into k nonempty subsets; triangle T(n,k), n>=0, 0<=k<=n, read by rows. A324162

Second pentagonal numbers with odd index: a(n) = (2·n-1)*(3·n-1). A33568

T(n,k) = Number of n X k 0..1 arrays with every element equal to 1, 2, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302953

Number of degree-n irreducible polynomials over GF(2) with trace = 0 and subtrace = 1. A42979

Numbers k such that the k-th centered pentagonal number A005891(k) = (5k² + 5k + 2)/2 is a square. A129556

Number of set partitions of [n] where each subset is again partitioned into three nonempty subsets. A327504

a(n) = (n + 3)*(n² + 6·n + 2)/6. A5286

Number of disconnected 2-regular simple graphs on n vertices with girth at least 5. A185225