Properties of the Number 15501

Fifteen Thousand Five Hundred One

Basics

Value: 15500 → 15501 → 15502

Parity: odd

Prime: No

Previous Prime: 15497

Next Prime: 15511

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 3 × 5167

Divisors: 1, 3, 5167, 15501

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 11110010001101

Octal: 36215

Duodecimal: 8B79

Hexadecimal: 3c8d

Square: 240281001

Square Root: 124.50301201175817

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

Numbers k such that k³ divides 5^k² + 1. A128679

a(n) = sigma₆(n²)/sigma₃(n²). A84220

(L)-sieve transform of A004767 = {3,7,11,15,...,4n-1,...}. A155167

Cyclotomic polynomials at x=5. A19323

a(n) = n⁶ - n³ + 1. A60891

Cyclotomic polynomials at x=-5. A20504

Parameters n for which the elliptic curve y²=x³+n has rank 4. A179124

Fibonacci-Zumkeller numbers: a(n)=n if n<=3, otherwise the smallest number >= a(n-2) + a(n-1) having at least one common factor with a(n-2), but none with a(n-1). A249357

Number of 6's in the last section of the set of partitions of n. A206556

a(n) = 16·n² + 4·n + 1. A82041