Properties of the Number 71139

Seventy-One Thousand One Hundred Thirty-Nine

Basics

Value: 71138 → 71139 → 71140

Parity: odd

Prime: No

Previous Prime: 71129

Next Prime: 71143

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 23 × 1031

Divisors: 1, 3, 23, 69, 1031, 3093, 23713, 71139

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001010111100011

Octal: 212743

Duodecimal: 35203

Hexadecimal: 115e3

Square: 5060757321

Square Root: 266.71895320730397

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

Number of partitions p of n such that (number of numbers of the form 5k in p) is a part of p. A241549

Number of compositions of n whose standard factorization into Lyndon words has distinct strict compositions as factors. A299024

Array of sequences read by descending antidiagonals, A(n) the Jacobi square of the sequence n, n+1, n+2, .... A321960

Numbers k such that the sum of distinct primes dividing k is divisible by the largest prime dividing k. A71139

Array of coefficients of polynomials providing the third term of the numerator of the generating function for odd powers (2·m+1) of Chebyshev S-polynomials. The present polynomials are called P(m;2,x²), m >= 2. A217479