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Properties of the Number 15039

Fifteen Thousand Thirty-Nine

Basics

Value: 15038 → 15039 → 15040

Parity: odd

Prime: No

Previous Prime: 15031

Next Prime: 15053

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 3 × 557

Divisors: 1, 3, 9, 27, 557, 1671, 5013, 15039

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 11101010111111

Octal: 35277

Duodecimal: 8853

Hexadecimal: 3abf

Square: 226171521

Square Root: 122.63360061581818

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

Largest possible side length for a perfect squared square of order n; or 0 if no such square exists. A217149
a(n) = 12 + floor((1 + ∑j=1..n-1 a(j))/4). A120169
Numbers k such that binomial(5k, k) - 1 is prime. A125242
Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 99", based on the 5-celled von Neumann neighborhood. A278873
Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 107", based on the 5-celled von Neumann neighborhood. A278901
Landau's approximation to population of x2 + y2 <= 2n. A690
Irregular array read by rows: T(n,k) = number of rn,k-cores associated with A233332(n,k), for n>=2, 1<=k<=floor(n/2), explained below. A233330
Indices of even terms in A249064. A249557
a(n) = a(n-1) + a(n-2) + a([2n/3]), where a(0) = 1, a(1) = 1, a(2) = 1. A298342
Number of growing self-avoiding walks of length n on a half-infinite strip of height 7 with a trapped endpoint. A374305