Properties of the Number 1560

One Thousand Five Hundred Sixty

Basics

Value: 1559 → 1560 → 1561

Parity: even

Prime: No

Previous Prime: 1559

Next Prime: 1567

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 ³ × 3 × 5 × 13

Divisors: 1, 2, 3, 4, 5, 6, 8, 10, 12, 13

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 11000011000

Octal: 3030

Duodecimal: AA0

Hexadecimal: 618

Square: 2433600

Square Root: 39.496835316262995

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

Oblong (or promic, pronic, or heteromecic) numbers: a(n) = n*(n+1). A2378

Triangle of numbers T(n,k) = k!*Stirling2(n,k) read by rows (n >= 1, 1 <= k <= n). A19538

Numbers having k prime factors (counted with multiplicity), the largest of which is the k-th prime. A106529

a(n) = 2·n*(2·n-1). A2939

Highly abundant numbers: numbers k such that σ(k) > σ(m) for all m < k. A2093

Triangle of numbers T(n,k) = k!*Stirling2(n,k) = A000142(k)*A048993(n,k) read by rows, T(n, k) for 0 <= k <= n. A131689

Number of ways, counted up to symmetry, to build a contiguous building with n LEGO blocks of size 2 X 4. A112389

Numbers n such that n = product (p_k)^c_k and set of its (c_k k's)'s is a self-conjugate partition, where p_k is k-th prime and c_k > 0. A88902

Coordination sequence for "hal" 3D uniform tiling. A299274

Expansion of g.f.: (1+x)/(1-39·x). A170759