Properties of the Number 61712

Sixty-One Thousand Seven Hundred Twelve

Basics

Value: 61711 → 61712 → 61713

Parity: even

Prime: No

Previous Prime: 61703

Next Prime: 61717

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ⁴ × 7 × 19 × 29

Divisors: 1, 2, 4, 7, 8, 14, 16, 19, 28, 29

Polygonal

Triangular: No

Square: No

Pentagonal: Yes

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1111000100010000

Octal: 170420

Duodecimal: 2B868

Hexadecimal: f110

Square: 3808370944

Square Root: 248.4190008835878

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

Triangle read by rows: T(n,k) is the number of c-nets with n-k inner vertices and k outer vertices, 3 <= n, 2 <= k <= n-1. A285165

G.f. satisfies A(x) = 1 + x/A(x)*(1 + 1/A(x)²). A364395

Column 7 of A285165. A285170

Total sum of parts which are squares in all partitions of n. A342228

Smallest prime with Hamming weight n (i.e., with exactly n 1's when written in binary). A61712