Properties of the Number 3126

Three Thousand One Hundred Twenty-Six

Basics

Value: 3125 → 3126 → 3127

Parity: even

Prime: No

Previous Prime: 3121

Next Prime: 3137

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 521

Divisors: 1, 2, 3, 6, 521, 1042, 1563, 3126

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110000110110

Octal: 6066

Duodecimal: 1986

Hexadecimal: c36

Square: 9771876

Square Root: 55.910642993977454

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

sigma₅(n), the sum of the 5th powers of the divisors of n. A1160

Numbers that are the sum of 2 positive 5th powers. A3347

a(n) = sigma_n(n): sum of n-th powers of divisors of n. A23887

a(n) = 5ⁿ + 1. A34474

Sierpiński numbers of the first kind: nⁿ + 1. A14566

Sums of distinct powers of 5. A33042

Numbers m such that the Bernoulli number B_m has denominator 42. A51228

Inverse Moebius transform of f(n) = nⁿ (A000312). A62796

Array read by downwards antidiagonals: sigma_k(n) for n >= 1, k >= 0. A109974

a(n) = floor(n*φ¹³), where φ is the golden ratio, A001622. A4928