Properties of the Number 87907

Eighty-Seven Thousand Nine Hundred Seven

Basics

Value: 87906 → 87907 → 87908

Parity: odd

Prime: No

Previous Prime: 87887

Next Prime: 87911

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 17 × 5171

Divisors: 1, 17, 5171, 87907

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10101011101100011

Octal: 253543

Duodecimal: 42A57

Hexadecimal: 15763

Square: 7727640649

Square Root: 296.49114657945523

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

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with every 3X3 subblock sum of the two sums of the central row and central column minus the two minimums of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A255036

Number of partitions of n² into at most 10 square parts. A255214

Number of partitions of n into exactly 7 different parts with distinct multiplicities. A212118

Number of (n+2) X (2+2) 0..1 arrays with every 3 X 3 subblock sum of the two sums of the central row and central column minus the two minimums of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A255030

Number of (4+2)X(n+2) 0..1 arrays with every 3X3 subblock sum of the two sums of the central row and central column minus the two minimums of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A255039

The lexicographically earliest sequence with a(1) = 1 and ω(a(i) + a(k)) = 3 for i < k <= n. A347170

Numbers n such that n·359# +-1 are twin primes, where 359# = 72nd primorial (A002110(72)). A87907