Properties of the Number 7415

Seven Thousand Four Hundred Fifteen

Basics

Value: 7414 → 7415 → 7416

Parity: odd

Prime: No

Previous Prime: 7411

Next Prime: 7417

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 5 × 1483

Divisors: 1, 5, 1483, 7415

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1110011110111

Octal: 16367

Duodecimal: 435B

Hexadecimal: 1cf7

Square: 54982225

Square Root: 86.1103942622492

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) = floor(M(g(n-1)+1, ..., g(n))), where M = harmonic mean and g(n) = n³. A227012

Numbers that are the sum of ten fourth powers in exactly seven ways. A345859

Number of noncrossing partitions of the n-set with no pair of singletons {i} and {j} that can be merged into {i,j} and leave the partition a noncrossing partition. A363448

n written in fractional base 10/7. A24662

a(n) = ceiling((n + 1/2)³). A34131

Numbers k such that 2·k+1, 3·k+2 and 4·k+3 are primes. A126955

an=n-th smallest integer of the form m=p1·p2 where π are odd primes such that d+2m/d are all primes for d dividing 2m. A128279

Largest integer terms forming a self-convolution square-root of a sequence A132831 such that: A132831(n) <= 2·A132831(n-1) for n>0 with A132831(0)=1. A132832

Least term in period of continued fraction for sqrt(n) is 9. A31433

a(n) = T(10,n), array T given by A047858. A195858