Properties of the Number 1596

One Thousand Five Hundred Ninety-Six

Basics

Value: 1595 → 1596 → 1597

Parity: even

Prime: No

Previous Prime: 1583

Next Prime: 1597

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 7 × 19

Divisors: 1, 2, 3, 4, 6, 7, 12, 14, 19, 21

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11000111100

Octal: 3074

Duodecimal: B10

Hexadecimal: 63c

Square: 2547216

Square Root: 39.949968710876355

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

a(n) = Fibonacci(n) - 1. A71

Second hexagonal numbers: a(n) = n*(2·n + 1). A14105

a(n) = n² - 4. A28347

a(n) = Fibonacci(2·n + 1) - 1. A27941

Partial sums of the partition numbers A000041 of the positive integers. A26905

a(n) = ∑_{1 <= i < j <= n} (j-i)³. A24166

Generalized 9-gonal (or enneagonal) numbers: m*(7·m - 5)/2 with m = 0, 1, -1, 2, -2, 3, -3, ... A118277

Partial sums of A299274. A299275

Number of partitions of n into odd parts greater than 1. A87897

Denominators of Cauchy numbers of first type. A6233