Properties of the Number 71370

Seventy-One Thousand Three Hundred Seventy

Basics

Value: 71369 → 71370 → 71371

Parity: even

Prime: No

Previous Prime: 71363

Next Prime: 71387

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 5 × 13 × 61

Divisors: 1, 2, 3, 5, 6, 9, 10, 13, 15, 18

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001011011001010

Octal: 213312

Duodecimal: 35376

Hexadecimal: 116ca

Square: 5093676900

Square Root: 267.15164233071823

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

Numbers k such that (1/k) * ∑_d∣k d*σ(d) is an integer. A69520

Triangle read by rows: T(n,k) is the number of even trees with 2n edges and jump-length equal to k (0<=k<=n-1). A127535

Sum of squares of cycle lengths for different cycles in Fibonacci-like sequences modulo n. A233246

Subsequence of lesser of 2 terms of A095301 that are 2 apart. A248083

Irregular triangle read by rows: for n >= 2, 2 <= k <= floor(n/2) + 1, T(n,k) = the number of semi-meanders with n top arches, a first arch of length one and k arch groupings. A339179

Numbers k such that k+0, k+1, ... and k+7 are, in some order, 1·a prime, 2·a prime, ... and 8·a prime. A71370