Properties of the Number -247170

Two Hundred Forty-Seven Thousand One Hundred Seventy

Basics

Value: -247171 → -247170 → -247169

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 5 × 7 × 11 × 107

Divisors: 1, 2, 3, 5, 6, 7, 10, 11, 14, 15

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111100010110000010

Octal: -742602

Duodecimal: -BB056

Hexadecimal: -3c582

Square: 61093008900

Square Root: 497.1619454463505

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=13. A135198

Number of partitions of n into parts of 5 kinds. A23004

Numbers k such that 2k+1, 4k+1, 6k+1, 8k+1 and 10k+1 are primes. A124410

Number of partitions of [n] with distinct block sizes such that no block contains its size as an element. A364278

Number of n X 5 0..1 arrays avoiding 0 0 1 and 1 0 0 horizontally and 0 0 1 and 1 0 1 vertically. A209647

Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where T(n,k) is ∑_j=0..2·n (-1)^n+j * binomial(2·n,j)^k. A350594

Products of 6 distinct primes that are sandwiched between semiprime numbers. A378627

Numbers k such that Euler φ(Dedekind ψ(k)) > k. A196200