Properties of the Number 1415

One Thousand Four Hundred Fifteen

Basics

Value: 1414 → 1415 → 1416

Parity: odd

Prime: No

Previous Prime: 1409

Next Prime: 1423

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 5 × 283

Divisors: 1, 5, 283, 1415

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110000111

Octal: 2607

Duodecimal: 99B

Hexadecimal: 587

Square: 2002225

Square Root: 37.61648574760805

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

Triangle of Mahonian numbers T(n,k): coefficients in expansion of ∏_i=0..n-1 (1 + x + ... + xⁱ), where k ranges from 0 to A000217(n-1). Also enumerates permutations by their major index. A8302

Centered icosahedral (or cuboctahedral) numbers, also crystal ball sequence for f.c.c. lattice. A5902

Describe n. Also called the "Say What You See" or "Look and Say" sequence LS(n). A45918

Square array, read by antidiagonals, where row n equals the crystal ball sequence for the A_n lattice. A108625

Numbers m such that the Bernoulli number B_2·m has denominator 66. A51229

a(n) = n concatenated with n + 1. A1704

Describe n (count digits in order of increasing value, ignoring missing digits). A47842

Numbers k such that the largest prime factor of k²-1 is 101. A181568

Gullwing sequence (see Comments lines for precise definition). A187220

Iterate the map in A006369 starting at 8. A28394