Properties of the Number 3722

Three Thousand Seven Hundred Twenty-Two

Basics

Value: 3721 → 3722 → 3723

Parity: even

Prime: No

Previous Prime: 3719

Next Prime: 3727

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 × 1861

Divisors: 1, 2, 1861, 3722

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111010001010

Octal: 7212

Duodecimal: 21A2

Hexadecimal: e8a

Square: 13853284

Square Root: 61.00819617067857

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

Smallest even k such that lpf(k-3) > lpf(k-1) >= prime(n), where lpf=least prime factor (A020639). A242719

Centered square numbers: a(n) = 4·n² + 4·n + 2. A69894

Semiprimes of the form k²+1. A144255

Expansion of Jacobi θ constant theta₂⁶ /(64q^3/2). A8440

a(n) = prime(n)² + 1. A66872

Composite numbers of the form k² + 1. A134406

Sorted positions of first appearances in A057820, the sequence of first differences of prime-powers. A376340

A(n,k) is (1/n) times the n-th derivative of the k-th tetration of x (power tower of order k) x^^k at x=1; square array A(n,k), n>=1, k>=1, read by antidiagonals. A295028

Numbers n such that Q(sqrt(n)) has class number 10. A218042

Expansion of 1/sqrt(1-4x/(1-x)⁴). A162478