Properties of the Number 4129

Four Thousand One Hundred Twenty-Nine

Basics

Value: 4128 → 4129 → 4130

Parity: odd

Prime: Yes

Previous Prime: 4127

Next Prime: 4133

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 4129

Divisors: 1, 4129

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1000000100001

Octal: 10041

Duodecimal: 2481

Hexadecimal: 1021

Square: 17048641

Square Root: 64.25729530566937

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) = 4·n² - 7·n + 4. A54567

Primes or negative values of primes in the sequence b(n) = 47·n² - 1701·n + 10181, n >= 0. A50267

Preperiod (or threshold) of orbit of Post's {00, 1101} tag system applied to the word (100)ⁿ, or -1 if this word has an unbounded trajectory. A284119

Primes with first digit 4. A45710

Numbers k such that (11^k + 5^k)/16 is prime. A128340

Primes of the form 2ⁱ + 2^j + 1, i > j > 0. A81091

Primes p such that p + 4 is prime and p == 9 (mod 10). A74822

Primes of the form 32·n + 1. A133870

Number of subsets of {1,2,3,...,n} whose sum is a square integer (including the empty subset). A126024

T(n,k)=Number of nXk arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 nXk array. A219595