Properties of the Number 71429

Seventy-One Thousand Four Hundred Twenty-Nine

Basics

Value: 71428 → 71429 → 71430

Parity: odd

Prime: Yes

Previous Prime: 71419

Next Prime: 71437

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 71429

Divisors: 1, 71429

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001011100000101

Octal: 213405

Duodecimal: 35405

Hexadecimal: 11705

Square: 5102102041

Square Root: 267.26204369494747

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

Primes p such that the decimal expansion of p remains prime under two iterations of base-10 to base-2 conversions. A123266

Primes p1 such that p1³+p2²=pp are average of twin primes. p1 and p2 consecutive primes, p1 < p2. A138735

Engel expansion of the Glaisher-Kinkelin constant A074962. A279627

a(1) = 1; a(n+1) = ∑_d∣n φ(d) * a(d) * a(n/d). A341639

a(n) is the numerator of the probability that the procedure described in A372422 successfully ends with the selection of a single person, starting with n persons. A372482

Decimal expansion of sup{f(n,1)}, where f(1,x) = x + 1 and thereafter f(n,x) = x + 1 if n is in A000201, else f(n,x) = 1/x. A245216

Sprague-Grundy values for octal game .14. A71429

a(n) = number of n-digit terms in A023086. A159827