Properties of the Number 71400

Seventy-One Thousand Four Hundred

Basics

Value: 71399 → 71400 → 71401

Parity: even

Prime: No

Previous Prime: 71399

Next Prime: 71411

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 ³ × 3 × 5 ² × 7 × 17

Divisors: 1, 2, 3, 4, 5, 6, 7, 8, 10, 12

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001011011101000

Octal: 213350

Duodecimal: 353A0

Hexadecimal: 116e8

Square: 5097960000

Square Root: 267.2077843177477

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 n that raised to the powers from 1 to k (with k>=1) are multiple of the sum of their digits (n raised to k+1 must not be a multiple). Case k=12. A135197

Triangle of labeled mobiles (circular rooted trees) with n nodes and k leaves. A55349

Triangle read by rows: T(n, k) is the number of ways to place k points on an n X n square grid so that no more than 2 points are on a vertical or horizontal straight line. A279445

Number of ways to place 6 points on an n X n square grid so that no more than 2 points are on a vertical or horizontal straight line. A279440

Triangle read by rows: T(n,k) is the number of achiral loops (necklaces or bracelets) of length n using exactly k different colors. A305540

Irregular triangle read by rows: T(n,k) is the number of primitive (period n) periodic palindromes using exactly k different symbols, 1 <= k <= 1 + floor(n/2). A327878

a(n) = 2*(n+1)*binomial(n+3,4). A27789

Number of periodic palindromes using exactly five different symbols. A56491

The triangle T₂(n, m), where T₂(n, m) is the number of surjective multi-valued functions from {1, 1, 2, 3, ..., n-1} to {1, 2, 3, ..., m} by rows (n >= 1, 1 <= m <= n). A172106

Numbers with prime factorization p·q*r·s²*t³ (where p, q, r, s, t are distinct primes). A190111